Buy the 'Invincible Arrow' Technical Indicator for MetaTrader 4 in MetaTrader Market

First of all Its worth emphasizing here that this Trading Indicator is Non-Repainting , Non Redrawing and Non Lagging Indicator Indicator, Which makes it ideal from both manual and robot trading. User manual: settings, inputs and strategy . The Atomic Analyst is a PA Price Action Indicator that uses Strength and Momentum of the price to find a better edge in the market. Equipped with Advanced filters which help remove noises and false signals, and Increase Trading Potential. Using Multipl

199 USD

This is a trend indicator without redrawing Developed instead of the binary options strategy (by the color of the Martingale candlestick) Also works well in forex trading When to open trades (binary options) A signal will appear in the place with a candle signaling the current candle It is recommended to open a deal for one candle of the current timeframe M1 and M5 When a blue dot appears, open a deal up When a red dot appears, open a trade down. How to open trades on Forex. When a signal is rec

65 USD

Trade with Gann on your side!! MASTER CIRCLE 360 CIRCLE CHART, originally created by Gann admitted that this is “The Mother of all charts”. It is one of the last studies that this great trader left for us. The numeric tab le is apparently quite simple like all the tables and is based on square numbers, the SQUARE OF 12 and is by evolution, one of the most important square numbers. Here we can find CYCLE, PRICE AND TIME thanks to angles and grades, to show past and future support and resistance.

149.99 USD

The perfect tool for Scalng in the Forex markets You can trade both from signal to signal and using take profit The algorithm does not use Zigzag! No redrawing! This is a channel instrument that uses a moving average as a filter. Moving Average There are 2 parameters for the settings Ma Period = 5 period Moving Average Channel 1.0 distance of channel lines from the chart Price Signal Filter - calculation of signal opening and filter There is a complete set of Alert There is a multi-timefram

100 USD

The Th3Eng PipFinite indicator is based on a very excellent analysis of the right trend direction with perfect custom algorithms. It show the true direction and the best point to start trading. With StopLoss point and Three Take Profit points. Also it show the right pivot of the price and small points to order to replace the dynamic support and resistance channel, Which surrounds the price. And Finally it draws a very helpful Box on the left side on the chart includes (take profits and Stop loss

89 USD

Chart Patterns Detect 15 patterns (Ascending Triangle, Descending Triangle, Rising Wedge, Falling Wedge, Bullish Flag, Bearish Flag, Bullish Rectangle, Bearish Rectangle Symmetrical triangle, Head and Shoulders, Inverted Head and Shoulders, Triple top, Triple Bottom, Double Top, Double Bottom) Use historical data to calculate the probability of each pattern to succeed (possibility to filter notification according to the chance of success) gives graphic indication about the invalidation level and

58 USD

Robot scalper for M5 timeframe. Trades on the GBPUSD currency pair. This robot has been specially developed by a company of professional traders for trading in the pound sterling. The robot approximately opens 5 to 15 trades every day. It is best to trade with brokers that have a low spread on GBPUSD up to 10 pips. The recommended minimum deposit to start is $500 or more. Advantages: does not use martingale. not a net. every trade has a stop loss. professional bot specifically for the GBPUSD

35 USD

Indicator function This index buys and sells according to the color, using time is one hour,Please run the test on a 30-minute cycle It is best to use 1H for testing About update questions In order to be more suitable for market fluctuations, the company regularly updates the indicators Product cycle and trading time applicable to indicators Applicable mainstream currency pair EUR/USD GBP/USD NZD/USD AUD/USD USD/JPY USD/CAD USD/CHF Applicable mainstream cross currency pair EUR/JPY EUR/GBP E

149 USD

The LineMagnit Indicator for MT4 is a highly precise tool that builds support and resistance levels which magnetically attract prices. This feature allows traders to easily determine the most probable entry and exit points in the market, as well as identify the market's directional forces, as levels are based on capital inflows into the instrument. Equipped with an intuitively understandable graphical interface, the LineMagnit Indicator enables users to quickly locate and analyze support and res

150 USD

Signal trend indicator. Detects the direction of the trend and is coloured accordingly. Has built in audible and visual alerts when trends change. Can send notifications to your phone or email. Allows Trend and Counter-Trend trading. Works on all timeframes, all currency pairs, metals, indices and cryptocurrencies. Can be used with binary options. Distinctive features No re-drawing; Simple and clear settings; Four types of alerts; Works on all timeframes and all trading tools; Su

67 USD

YK-Fibo Pivot Indicator: Trade Smarter with Fibonacci Pivot Points The YK-Fibo Pivot Indicator is a powerful technical analysis tool that combines the precision of Fibonacci retracements with the insights of Pivot Points. Whether you're a novice or seasoned trader, this indicator empowers you to spot profitable opportunities in the market with ease. Why Choose YK-Fibo Pivot? Pinpoint Support & Resistance: By calculating Fibonacci levels based on the previous day's high, low, and close prices, y

30 USD

Forex Gump is a fully finished semi-automatic trading system. In the form of arrows, signals are displayed on the screen for opening and closing deals. All you need is to follow the instructions of the indicator. When the indicator shows a blue arrow, you need to open a buy order. When the indicator shows a red arrow, you need to open a sell order. Close orders when the indicator draws a yellow cross. In order to get the most effective result, we recommend using the timeframes H1, H4, D1. There

35 USD

Price Breakout pattern Scanner is the automatic scanner for traders and investors. It can detect following patterns automatically from your chart. Head and Shoulder - Common tradable pattern. Reverse Head and Shoulder - This pattern is the reverse formation of the Head and Shoulder. Double Top - When the price hits resistance level twice and decline toward the support level, the trader can anticipate sudden bearish breakout through the support level. Double Bottom - The double bottom pattern is

100 USD

The Penta-O is a 6-point retracement harmonacci pattern which usually precedes big market movements. Penta-O patterns can expand and repaint quite a bit. To make things easier this indicator implements a twist: it waits for a donchian breakout in the right direction before signaling the trade. The end result is an otherwise repainting indicator with a very reliable trading signal. The donchian breakout period is entered as an input. [ Installation Guide | Update Guide | Troubleshooting | FAQ | A

30 USD

Embark on the pinnacle of Binary Options evolution. Our indicator isn't just adaptive—it's relentless. Picture a ninja riding a serpent, shadowing its every move; that's how this tool trails the market trend, unwavering till the end. Built upon the foundational prowess of the Ichimoku indicator and honed with an array of fine-tuned oscillators, it epitomizes accuracy and precision. Dive deep without getting lost in the Ichimoku's intricacies—our indicator simplifies the process for you. Perhaps

300 USD

This indicator is a must have tool that scans the active chart for candlestick patterns. It labels each bar according the candlestick pattern(s) that it finds enabling you to more easily analyze price action and be more informed about your trading decision. There are 103 common and uncommon possible patterns plus 6 new patterns based on research that the indicator can identify. If a candlestick(s) meets the requirements for multiple patterns, the bar will be labeled with up to 4 patterns names f

79.99 USD

Renko, Heiken Ashi, Ticks Bar, Range Bar. Easy switching, easy setup, all in one window. Place the Custom Chart indicator and view Renko, Heiken Ashi, Tick bar, Range bar charts in real time at real chart. Position the offline chart window so that the indicator control panel is visible. Switch the chart mode by click of a button. Connect to the output chart any indicator, expert advisor without any restrictions. No, it doesn't work in the tester. Yes, you can use an

50 USD

Daily Candle Predictor is an indicator that predicts the closing price of a candle. The indicator is primarily intended for use on D1 charts. This indicator is suitable for both traditional forex trading and binary options trading. The indicator can be used as a standalone trading system, or it can act as an addition to your existing trading system. This indicator analyzes the current candle, calculating certain strength factors inside the body of the candle itself, as well as the parameters of

65 USD

MT5 version | FAQ The Owl Smart Levels Indicator is a complete trading system within the one indicator that includes such popular market analysis tools as Bill Williams' advanced fractals , Valable ZigZag which builds the correct wave structure of the market, and Fibonacci levels which mark the exact levels of entry into the market and places to take profits. Detailed description of the strategy Instructions for working with the indicator Advisor-assistant in trading Owl Helper Private

97 USD

PABT Pattern Indicator - it's classical system one of the signal patterns. Indicator logic - the Hi & Lo of the bar is fully within the range of the preceding bar, look to trade them as pullback in trend. In the way if indicator found PABT pattern it's drawing two lines and arrow what showing trend way. - First line - it's entry point and drawing at: 1. On the high of signal bar or on middle of the signal bar (depending from indicator mode) for buy; 2. On the low of signal bar or on middle of t

110 USD

"The trend is your friend" is one of the best known sayings in investing, because capturing large trendy price movements can be extremely profitable. However, trading with the trend is often easier said than done, because many indicators are based on price reversals not trends. These aren't very effective at identifying trendy periods, or predicting whether trends will continue. We developed the Trendiness Index to help address this problem by indicating the strength and direction of price trend

49 USD

First of all Its worth emphasizing here that this Trading System is Non-Repainting, Non-Redrawing and Non-Lagging Indicator, Which makes it ideal for professional trading. Online course, user manual and demo. The "Smart Support and Resistance Trading System" is an advanced indicator tailored for new and experienced traders. It empowers traders with precision and confidence in the forex market. This comprehensive system combines 7+ strategies, 10 indicators, and various trading approaches, i

199 USD

Trend Bilio - an arrow indicator without redrawing shows potential market entry points in the form of arrows of the corresponding color: upward red arrows suggest opening a buy, green down arrows - selling. The entrance is supposed to be at the next bar after the pointer. The arrow indicator Trend Bilio visually "unloads" the price chart and saves time for analysis: no signal - no deal, if an opposite signal appears, then the current deal should be closed. It is Trend Bilio that is considered

140 USD

Noize Absorption Index - is the manual trading system that measures the difference of pressure between bears forces and bulls forces. Green line - is a noize free index that showing curent situation. Zero value of index shows totally choppy/flat market.Values above zero level shows how powerfull bullish wave is and values below zero measures bearish forces.Up arrow appears on bearish market when it's ready to reverse, dn arrow appears on weak bullish market, as a result of reverse expectation. S

199 USD

Fibonacci retracement and extension line drawing tool Fibonacci retracement and extended line drawing tool for MT4 platform is suitable for traders who use golden section trading Advantages: There is no extra line, no too long line, and it is easy to observe and find trading opportunities Trial version: https://www.mql5.com/zh/market/product/35884 Main functions: 1. Multiple groups of Fibonacci turns can be drawn directly, and the relationship between important turning points

89 USD

The indicator has been designed to function on any time-frame and any pair. This regime filter will help the trader better evaluate whether the current market is trending, and in which direction. It quickly reacts to changes in market dynamics using a series of advanced calculations. The user is able to select whether the calculation remains standard, or if a further filter constraint is added to the calculation. A Yellow moving average of the signal has been included for the trader to smoot

100 USD

What are Heiken Ashi Candles? Heiken Ashi, derived from the Japanese term 'Heikin Ashi,' translates to average price bars. It's an indicator depicting price bars on a chart. Formula for Heiken Ashi candles: - Heiken Ashi opening price: (previous candle's opening + closing price) / 2 - Closing price Heiken Ashi: (opening + high + low + closing) / 4 - Heiken Ashi peak: Max of high, opening, or closing price - Heiken Ashi bottom price: Min of low, opening, or closing price How to Read Heik

38 USD

Intraday Levels shows intraday levels grid for intraday trading Shows a grid for the day levels, gives you a guide to know the trend and to measure intraday trades (stop-loss and take-profit). Parameters are: Levels Mode: Basic mode: Shows highest, lowest and middle levels. Advanced mode: Shows highest, lowest, middle and intermediate levels. Fibonacci mode: Shows session Fibonacci retracements levels. Momentum mode: Shows delayed Advanced levels to identify momentum. Smooth Period (Momentum

60 USD

Gold Bricks FX USES THE TREND WAVE INDICATOR AND IT CAN IDENTIFY THE BEGINNING AND THE END OF A NEW WAVE TREND MOVEMENT. AS AN OSCILLATOR, THE INDICATOR IDENTIFIES THE OVERBOUGHT AND OVERSOLD ZONES. IT WORKS GREAT TO CATCH THE SHORT TERM PRICE REVERSALS AND USES A MARTINGALE STRATEGY TO CLOSE ALL TRADES IN PROFIT. USE DEFAULT SETTINGS ON H1 OR HIGHER TIME FRAME ON ANY PAIR FOR MORE ACCURATE TRADES WHY THIS EA : Smart entries calculated by 4 great strategies The EA can be run on even a

45 USD

VR Cub is an indicator for getting high-quality entry points. The indicator was developed to facilitate mathematical calculations and simplify the search for entry points into a position. The trading strategy for which the indicator was written has been proving its effectiveness for many years. The simplicity of the trading strategy is its great advantage, which allows even novice traders to successfully trade with it. VR Cub calculates position opening points and Take Profit and Stop Loss targe

49 USD

ENIGMERA: The core of the market (If the demo of mql5.com doesn't working and you want to try Enigmera please message me.) Introduction This indicator and trading system is a remarkable approach to the financial markets . ENIGMERA uses the fractal cycles to accurately calculate support and resistance levels. It shows the authentic accumulation phase and gives direction and targets. A system that works whether we are in a trend or a correction. How does it operate? ENIGMERA comprises of fol

400 USD

This indicator is based on the Gann Signal indicator and acts as a market scanner. All you need to do is fill in the selected currency pairs in the settings and that’s it. Next, the indicator itself will view all these currency pairs and time frames from M5 to D1 simultaneously. When a new signal appears, the indicator will give you an Alert and also draw the letter N where this new signal will be.

650 USD

Bomb Bank Signal: Your Trusted Indicator for MetaTrader 4 The Bomb Bank Signal is a powerful indicator for MetaTrader 4, designed to identify the most relevant trends in the financial market. If you are looking for a tool that accurately anticipates movements, Bomb Bank is the ally you need. How it Works: This indicator combines three distinct methods – volume analysis, candle closes and symmetrical trend – to detect and signal buying and selling opportunities. Bomb Bank is like a "bomb"

592 USD

PLEASE READ THE INFO DOWN BELOW BEFORE PURCHASING THE PRODUCT! Apollo Pips PLUS SP is a unique product! IT IS FOR THOSE WHO WANT TO GET MY NEW "APOLLO PIPS" INDICATOR PLUS "SUPER PACK" BONUS WITH ACCESS TO ALL MY TRADING INDICATORS! By purchasing the Apollo Pips PLUS SP product you're actually purchasing an absolutely new version of my Apollo Pips indicator. This version of the indicator has got an improved algorithm and an easy to use parameter which gives you the opportunity to use the indica

450 USD

Precautions for subscribing to indicator This indicator only supports the computer version of MT4 Does not support MT5, mobile phones, tablets The indicator only shows the day's entry arrow The previous history arrow will not be displayed (Live broadcast is for demonstration) The indicator is a trading aid Is not a EA automatic trading No copy trading function The indicator only indicates the entry position No exit (target profit) The entry stop loss point is set at 30-50 PIPS Or the front

1 800 USD

This indicator ( dashboard) provides trend for multi currency on multi timeframe Charts. It gives entries and Stoploss on the chart itself if the currency pair is uptrend then the cell color is displayed as Green and if its downtrend the cell displays the color as Red Alerts are generated whenever the trend changes on that particular timeframe. can customize the time frames as desired

500 USD

Septermber OFFER 85% OFF next price for unlimited version will be 2500$. This is the only time you can get this institutional and professional indicator at this price for unlimited version. Don't dare to miss this. The tool I am about to introduce to you you can't compare it with other tools due to its strategy and accuracy level in predicting the next price directional movement. This tool is designed for serious traders who have decided to make a difference through trading. Be the next person t

750 USD

Dear Traders this is my another tool called " Swing Master Indicator ". As the name above the indicator is designed to help you in swing trading by capturing the low and highs of the price. You may us this tool with any trading strategy and style from scalping to position trading. It is made for level of traders including newbies and advanced traders even prop-firms, hedge funds and banks to help them make sold market analysis. I create tools for serious traders who want to make a difference in

750 USD

Moving pivot Average Fibonacci The indicator compares the selected period with its counterpart from the previous period. The indicator determines the moving Fibonacci levels for the day or any time interval to assess the price movement range from the time average. The indicator helps predict the expected high or low for the day based on historical time data. The pivot line can be considered an average trend line and use it in a variety of trading strategies. If you have any question about t

600 USD

This is the indicator for the biggest money. It's performance is exceptional. Whatever interest there is in the market you will see it. In almost all cases it will only give you a long term view of the market, but don't be fooled into thinking this is event bound. Nothing like that. It finds where the biggest interest is in the market and shows it to you. Do not forget that the biggest money (interests) not shown on the market everyday . That's something you haven't encountered.The price is

3 000 USD

The indicator is designed to work on any trading platform. The program is based on proprietary algorithms and W.D.Ganna's mathematics, allowing you to calculate target levels of price movement based on three points with the highest degree of certainty. It is a great tool for stock trading. The indicator has three buttons: NEW - call up a triangle for calculation. DEL - delete the selected triangle. DELS - completely remove all constructions. The probability of achieving the goals is more than 80

480 USD

Connect Indicator is a tool used for connecting indicators between the MQL market and MT4. The connected indicators are made by our group and can be used for other applications, such as sending messages to the Line application or Telegram application. If you have any questions, please don't hesitate to ask us to receive support. Function and indicator buffer Buffer one is the high price of the previous candle. Buffer two is the high price of the previous candle. Usage To connect indicators to fu

550 USD

This indicator is collection of important dynamic support and resistance giving a trader crystal clear idea , where to sell and where to buy. it completely complements trend lines, support, resistance, and sideways market and allow a trader to make sustainable profits. The thickness of lines suggests its strengths, the thicker the dynamic line, the stronger is rejection or pullback allowing a trader to make multi-fold profit, as they can clearly see them. Introducing Your Ultimate Trading Edge

799 USD

Full STO indicator (includes all versions of three STO indicators: Premium, Gold, Silver) - STABLE TRADE OPTION is designed for automatic binary options trading. READ CAREFULLY!!!!! IMPORTANT In one terminal create two templates with different expirations, a template for 18:01, 18:02 with expirations from 1 to 15 minutes and a template for 22:00 with expirations from 10 to 20 minutes. Winrate: 71% over the past 5 years Money management: 0.3% from the deposit This version of the indic

500 USD

Limitless MT4 is a universal indicator suitable for every beginner and experienced trader. works on all currency pairs, cryptocurrencies, raw stocks Limitless MT4 - already configured and does not require additional configuration And now the main thing Why Limitless MT4? 1 complete lack of redrawing 2 two years of testing by the best specialists in trading 3 the accuracy of correct signals exceeds 80% 4 performed well in trading during news releases Trading rules 1 buy signa

1 399 USD

Best strategy, Easy trade , Support of version update in the future MT My Way: For new traders with no experience It is a very simple trade. Open the order when there is signal and close the order when there is exit or found the next opposite signal. You can set Stop Loss at the arrow and set the distance at Arrow Gap. For experienced traders, It will be very easy to trade. indicator for trade by yourself TRADE: Forex TIME FRAME: All Time Frame (Not M1) SYMBOL PAIR: All Sy

1 133 USD

NOTE: PRICE WILL RISE VERY SOON. DON'T SKIP THIS OFFER! Dear traders I am glad to introduce the " Market Swing Scanner Board" indicator to you. This indicator was made mainly to be used in combination with the Market Swing Index Indicator. You use the "Market Swing Scanner Board" indicator to scan for trading opportunities on the Market Swing Index Indicator . This tool is designed for serious traders who have decided to make a difference through trading. Be the next person to witness this st

650 USD

The Choppines robot is loaded as an indicator in the MT4 indicators folder It is recommended to use a candle timing of 5 minutes, the recommended robot expiration time is 5 minutes. The robot can be configured to send signals to MT2, MX2, PRICEPRO platforms. To send signals, you must use the connector program of the platform we want to work with. To install on the connector, perform the following procedure (an image is attached describing the configuration with the MT2 platform connector)

785 USD

Currently Price 20% OFF ( for unlimited use ) BONUS AUX VIP Club 2024 : Include EA Airbag and Load Data History to enhance the performance of this tool to its maximum potential Click Here to Download Files ( for users only ) Hello World! Introducing.. SMCpro VIP tool and Indicator for MetaTrader 4, designed to revolutionize your trading experience with the ICT Smart Money Concept. This system is meticulously crafted to empower traders with advanced insights and precision in

494 USD

Dear Onis, This Indicator is used for GBPUSD, US30 and GOLD on 1-Min Chart . For US30 , Depending on your broker, Minimum Lot Size will differ from 0.01 to 1.0 lots. My Current Account is trading at 1.0 lots at $1 per point . Please check with your Broker what's the Margin Required for your Minimum lot sizes before you trade on your Real account. I have Forward Tested the indicator for around 6 months before releasing it to the public. ( No Demo is available for the Indicator, Strategy

1 688 USD

Automatic, live & interactive picture of all trendlines. Assign push, email and sound alerts to the lines of your choice and be informed about price rollback, breakout, rollback after breakout, number of rollbacks, line expiration by double breakout. Correct, drag or delete the lines and interactively tune the line system. https://youtu.be/EJUo9pYiHFA . Chart examples https: //www.mql5.com/en/users/efficientforex Price Interaction Events All events are effective immediately and only after on

6 400 USD

The indicator displays the probable ( Support and resistance ) levels. The indicator draws horizontal and trend levels of support and resistance. The indicator settings: Trends - the mode for displaying trend lines or horizontal lines of support and resistance Yes - display trend lines only No - display horizontal lines only UseResource - use the resources built into the indicator. Yes - use the ZigZag indicator from the resources of the product. No - use a custom ZigZag indicator. HistoryBar -

3 800 USD

The indicator of a Professional Trader is an arrow indicator for predicting the direction of price movement. I have been working on this indicator since 2014. You can use this indicator as your main indicator, use its entry signals, and use it as your only indicator to find entry points. About the product: Recommended TF [H4-D1-W1] . The indicator predicts the direction of the next candle. Fits a variety of tools; Flexibility in settings for different instruments and intervals through the

1 950 USD

The [GRAFF] III manual trading system is based on multiple MetaTrader (MT4) indicators. Together, the entire PACK of GRAFF III indicators makes an advanced trading tool. The system consists of over 20 different custom-built indicators which have been carefully selected and tested in the long term to produce strong and efficient trading signals. The particular indicators are based on different mathematical formulas, so the entire system is calibrated to remove false signals from its own indicator

5 990 USD

1 000 USD

This indicator allows you to see the strength of the trend on all timeframes. It can be used for all currency pairs. The indicator can be displayed in the form of a column (from left to right): status buy / sell / strong buy / strong sell, strength of the trend in percentage, pips last candle, body candle now, remaining time, and the timeframe of M1 to MN. Information contained below (from left to right): total trend percent, sell percent, buy percent.

500 USD

You can fins our other products from link : https://www.mql5.com/en/users/drbastem/seller Also, you can ask all your questins from email : haskayafx@gmail.com or mobile : +90 530 867 5076 or @MehmetBastem on telegram application This indicator is used to determine the trend. Standard Osma indicator is used. It has the indicator warning system: beep, e-mail and has three types of alerts, including messages to mobile phone. It shows the best performance on the chart of 5 minutes. When the

1 000 USD

You can fins our other products from link : https://www.mql5.com/en/users/drbastem/seller Also, you can ask all your questins from email : haskayafx@gmail.com or mobile : +90 530 867 5076 or @MehmetBastem on telegram application This indicator is used to determine the trend. Standard Three Moving Average and ADX indicators are used. It has the indicator warning system (audio, e-mail) and three types of alerts, including messages to mobile phone. It shows the best performance on M5. When

2 799 USD

This indicator is used to determine the trend. Standard Three Moving Average and ADX indicators are used. It has the indicator warning system (audio, e-mail) and three types of alerts, including messages to mobile phone. It shows the best performance on M5. When the trend value reaches the value set, the warning system is activated. This indicator works only with Forex symbols. Inputs SoundAlarm = true - Sound Alert Sendmail=true - Send an e-mail in case of a buy or sell signal Sendnotificatio

2 799 USD

The Book of Changes is a product of ancient civilization and a philosophical work that highly integrates natural and social sciences in China. The Book of Changes believes that all things in heaven and earth are constantly developing, and it explains the laws of nature. This law reveals the characteristics of the entire universe, covering the attributes of all things in heaven and earth. The Book of Changes is the crystallization of the wisdom of the Chinese nation. It is the crystallization of

29 999 USD

Preface: First of all, let me introduce myself. I am a programmer and have been working for over 20 years. 2023 has passed, and our studio has achieved a record of 500 times with 7 manual transmissions. Below, we will show you how to do it through a series of operations. The first step is to model. Modeling is to find a fixed trading pattern. I think everyone has heard of a 2/8 probability, and through this probability, we can further refine it, which means that 1 to 4 is the optimal state. We h

599 USD