# Changelog

Here you can see that changes were made at each release.

# 0.19.2

Added metrics property to the Strategy API.
Added available_margin property to the Strategy API.
Added leverage property to the Strategy API.
Updated the behavior of capital. It now returns wallet balance.
Added support for leverage (except for a liquidation mechanism)
[BREAKING CHANGE] Change config values to work with the leverage support. Now instead of margin you need to enter futures.
Added total_cost to Position model.
Added roi (return on investment) property to the Position model. It is calculated while considering the leverage, the same way it is done on Binance Futures.
ADded RSX indicator.
Added Market Change metric.
Added signal_line(), streaks(), kelly_criterion(), strictly_increasing(), strictly_decreasing(), and dd() utility functions.
Added trades property to the Strategy API for getting previous executed trades by nicolay-zlobin.
Updated the docker image. Updated the docs to work with docker-compose. By julesGoullee.
Exported trades as json now include considering_timeframes by julesGoullee.
Added --skip_confirmation flag to import-canldes command to avoid confirmation on candle duplicates by Gabri.

[BREAKING CHANGE] Dropped support for Python 3.6
[BREAKING CHANGE] Changed the syntax for symbols to use a - in the middle to separate the base and quote assets. Instead of BTCUSD you now need to enter BTC-USD.
Added elitism to genetic/evolution algorithm by fjelic

[BREAKING CHANGE] Pass the order object as a parameter for event methods such as on_open_position, on_take_profit, on_stop_loss, on_reduced_position, and on_increased_position methods.
Fixed a bug for adding to open positions using self.buy and self.sell.
Added increased_count and reduced_count properties to the Strategy API.
[BREAKING CHANGE] Removed is_reduced and is_increased properties.
Added the after() method the to Strategy API
[BREAKING CHANGE] Renamed prepare() method to before()

Added a route validation
Improved performance of loading candles for cases with multiple routes
Added routes property to the Strategy API
Improvements in exception messages
Added has_active_entry_orders property to the Strategy API
Improved plotting of orders on the generated charts for backtest by (macd2)[https://github.com/macd2]
Fixed handling open trade at the end of backtest

Added support for Python 3.9
Fixed calculations of formulas depending on Quantopian's empyrical package (like annual return, Sharpe Ratio, etc) using our own fork of it.
Changed default value of type for all exchanges in config.py to margin
Added damiani_volatmeter indicator

Changed the color of printed logs in --debug mode to white for more readability
Fixed a bug where should_cancel() was being executed in strategies with multiple entry orders
Made caching configurable. You can now change the settings for your cache driver or completely disable it
Added sum_floats() and subtract_floats() utility functions
Fixed a bug where position stayed open with a close-to-zero size caused by rounding issues in Python
Fixed for a bug in detecting executed orders with candles with gap
Added support for reduce-only orders (take-profit and stop-loss orders)
Added VossFilter indicator
Added TrendFlex indicator
Added ReFlex indicator
Added High Pass Filter indicator
Added Roofing indicator
Added DV indicator

Added support for balance handling for trading on spot markets
Improved calculation and logging of fees (when --debug flag is enabled)
Improved calculation of daily balance change. It is now more accurate.
Improved format in displaying of currencies. Instead of 10000, it now displays 10,000.

Made number of warmup candles configurable
Fixed an issue with log folder being absent in newly created projects by jparklev
Improved performance of the chande indicator

Added the --cpu option for the optimize mode to specify the number of cpu cores to use when running the optimize mode.
Improved monitoring dashboard of the optimization mode.

Implemented the initial version of the optimize mode which uses the Genetic Algorithm to find the best parameters for your strategy.

Suppression of the "FutureWarning: pandas.util.testing is deprecated" caused by empyrical
Added KST indicator
Added Coppock curve indicator
Added vortex indicator
Added EFI indicator
Added Chandelier Exit indicator
Update of scipy and matplotlib
Fixed issue related to NegativeBalance
Some fixes and additions related to pytest

Refactored directories that generated output files are stored at (csv, json, tradingview, charts).
json logs files are disabled by default. You now HAVE TO use the json flag to enable it.
Added CSV output for completed trades by h0ke.

Added exception for when trying to spend more than available exchange balance by fengkiej
Added fee_rate property to Strategy API
Added fee_rate as optional parameter for risk_to_qty and size_to_qty utilities
Added readable error for when strategy structure is incorrect
numpy_candles_to_dataframe now uses Pandas datetime format for candle timestamps by lightyear15
Improved exception text for unsupported exchanges

Fixed an issue with filters.
Fixed an issue with CWD
Added new indicators: Hull Moving Average, Zero-Lag Exponential Moving Average, Donchian Channels, Empirical Mode Decomposition, RSI Laguerre Filter, True strength index (TSI), Fractal Adaptive Moving Average (FRAMA), Awesome Oscillator, Alligator, SMMA (Smoothed Moving Average)