# Previous updates

**2023-12-12**

Mapping update: Changes implemented for the following Instruments due to Ronin And Romanian Fiat Currencies having an identical ticker.

* Romanian Leu: *ron* → *ronle* .
  * *ron* is now referring to Ronin.

**2023-12-11**

* Added CEX and DEX Coverage sections.

**2023-12-04**

* Exchange Metrics - Retrieve off-chain and on-chain metrics that help performing exchange analysis.

**2023-11-23**

* Added documentation for Lending and Borrowing Rates & Liquidity CSV.
* Renamed product DEX Liquidity Events into Mints and Burns.
* Renamed product DEX Liquidity Snapshots into Token Reserves.

**2023-11-16**

* Added documentation for Wallet Data CSV files on Bitcoin.

**2023-11-13**

Mapping update: Changes implemented for the following Instruments due to Merit Circle Migration from MC to BEAN Ticker.

* BEAM: *beam* → *beamprivacy* . Name Changed from BEAM to BEAM (Privacy).
  * *beam* is now referring to BEAM (Merit Circle).

**2023-11-10**

Mapping updates:

* Asset *FLOKIINU* has been deprecated as it was a duplicate of existing *FLOKI*. All instruments are now referencing the asset code *FLOKI*
* *MBOX-USD* (MOBOX) instruments on KuCoin & MEXC which were previously mapped as fiat *USD* (United States Dollar) have been corrected to *USDT* (Tether). The new instrument code for these is *MBOX-USDT*
* Binance *LUNA-BUSD* & *LUNA2-BUSD* perpetual future contract codes are now mapped separately. No ongoing data is present for *LUNA-BUSD*

**2023-10-26** - Data Quality Update. We identified and resolved an issue that caused duplication in our MEXC trades data. As of 2023-10-26, all new MEXC trades data will be free from such duplication. Please note that due to MEXC's unique data structure, we are unable to retroactively correct the impacted historical data. We recommend users to consider this when using any MEXC trade data prior to 2023-10-26.

**2023-10-26**

* Added 'live' parameter for all on-chain products.

**2023-09-22**

* Added documentation for Wallet Data CSV files on Ethereum.
* Added field and parameter blockchain for Liquidity Events and Liquidity Snapshots.
* Added documentation for Blockchain Reference Data.

**2023-09-18**

Reference Data behavior Update - The "trade\_end\_timestamp" field will only be populated after 7 consecutive days of inactivity. Previously, this field would be populated after 1 day of inactivity.

**2023-07-26**

Mapping update: Change implemented to the code used for DMarket. Code changed to accomodate the actively trading Dream Machine Token.

* DMarket: *DMT* → *DMK*
* Dream Machine Token: *-* → *DMT*

**2023-06-08**

Mapping update: Changes implemented for BitMEX Perpetual Futures contracts. Instrument codes are no longer using "base\_asset" - "quote\_asset" convention for API codes. To differentiate between different Perpetual Future contract types, these should now be queried using the codes assigned by BitMEX

E.g. BTC-USD → XBTUSD

* Added documentation for Robust Pair Price and Cross Price v2.

**2023-06-06**

* Added the Australian Exchange, Independent Reserve's case of [`taker_side_sell`](https://docs.kaiko.com/#quot-taker_side_sell-quot-explained) and pulled off the Google Doc page of order book data while updating the contents

**2023-05-31**

* Added documentation for CSV files of the following products: Order Book Snapshots, Derivatives Metrics, OHLCV candles, VWAP, Count-OHLCV-VWAP

**2023-05-17**

Mapping update: Changes implemented for the following Instruments

* Toncoin: *toncoin* → *ton*
* *OKX: LUNA/BTC* → *OKX: LUNA2/BTC*

**2023-05-03**

* Added documentation for Top of Book CSV files

**2023-04-24**

* Added documentation for Lending & Borrowing Rates and Liquidity

**2023-04-11**

Mapping update: Changes implemented for the following Instruments

* METIS Dao:
  * *Gemini: MTS/USD* → *Gemini: METIS/USD*
  * *Huobi: MTS/USDT* → *Huobi: METIS/USDT*

**2023-04-06**

Mapping update: Changes implemented for the following Instruments

* Polytrade: *OKEX TRADE/USDT* → *OKEX POLYTRADE/USDT*
* METIS Dao:
  * *OKEX MTS/USDT* → *OKEX METIS/USDT*
  * *COINBASE MTS/USDT* → *COINBASE METIS/USDT*
* GoMining Token: *BITTREX GMT/USDT* → *BITTREX GOMININGTOKEN/USDT*

**2023-04-05**

* Implied Volatility Surface - Retrieve calibrated and interpolated implied volatilities from options market prices

**2023-04-04**

* Updated the list of Tick-Level Order Book CSV files.
  * Upbit
  * Huobi Derivatives Market
  * Crypto Facilities
  * Bithumb
  * Binance US

**2023-03-30**

* Asset Metrics - Retrieve off-chain and on-chain metrics that help performing asset analysis.

**2023-03-29**

Mapping update: Changes implemented for the following Assets

* Republic Protcol: *REPUP* → *REN*
* Everest: *ID* → *EVERID*
  * *ID* is now mapped to Space ID
* PrimeDAO: *PRIME* → *PRIMEDAO*
  * *PRIME* is now mapped to Prime Echelon
* Lition: *LIT* → *LITION*
  * *LIT* is now mapped to Litentry
* *AXL* is now mapped to Axelar

**2023-03-27**

Mapping update: Changes implemented for the following Assets

* Facebook : *FB* → *FACEBOOK*
  * *FB* is now mapped to Fenerbahce
* Orbitcoin : *ORB* → *ORBITCOIN*
  * *ORB* is now mapped to Orbcity

**2023-03-23**

Mapping update: Changes implemented for the following Assets

* Arbit : *ARB* → *ARBIT*
  * *ARB* is now mapped to Arbitrum
* SoloCoin : *SOLO* → *SOLOC*
  * *SOLO* is now mapped to Sologenic

**2023-02-21**

Mapping update: Changes implemented for the following Assets

* OHM : *OHM* → *OHMV1*
  * *OHM* is now mapped to OHM V2

**2023-02-06**

* OKX can now be included in Implied Volatility computations

**2023-02-02**

* Cross Price - Extrapolation can be set to avoid missing values for low liquidity pairs

**2023-01-26**

* Derivative Metrics (Price) - `end_time` became exclusive
* Derivative Metrics (Risk) - `vega` added to the REST API responses

**2023-01-16**

* Binance Options have been added to Derivative Metrics, Trade, and Order Book data

**2023-01-12**

* CSV Files - Tick By Tick Order Book added to the doc

**2022-06-03**

Mapping update: Changes implemented for the following Assets

* Polkadot : *PDOT* → *DOT*
* Uniswap : *UNISWAP* → *UNI*
* FTX Token : *FTXT* → *FTT*
* LEO Token : *LEOT* → *LEO*
* MCDEX : *MCDEX* → *MCB*
* Mercurial : *MERC* → *MER*
* Oxygen : *OXYG* → *OXY*
* Merit Circle : *MRC* → *MC*
* Mines of Dalarnia : *DARA* → *DAR*
* Cybermiles : *CYMI* → *CMT*
* FairGame : *FAIRGAME* → *FAIR*
* Origin Sport : *ORSP* → *ORS*

**2022-05-18**

Mapping Update: FTXUSD deprecation

* All USD quoted spot instruments trading on FTX (International) are mapped to have fiat USD (United States Dollar) as 'quote\_asset'

**2022-04-29**

* Derivatives API update: Derivatives API endpoint split into 3 endpoints, which are reference, risk, and price

**2022-02-17**

Mapping update

* Bittrex *SUSHI/BTC* corrected from *BTC/SUSHI*

**2022-02-15**

Mapping update

* Pax Dollar (asset) updated to use code *USDP* & USDP stablecoin: Unit Protocol (asset) updated to use code *UUSDP*

**2022-01-06**

Mapping update

* SubGame (asset) code updated to use code *SGBM* & Songbird (asset) updated to use code *SGB*

**2021-12-28**

Mapping update

* BitDAO (asset) code updated to use code *BIT*

**2021-12-24**

* Quote Asset correction for FTX perpetual-future instruments

**2021-12-20**

* Cross Price (Spot Exchange Rate) endpoint updated to support non-fiat currencies as 'quote\_asset'

**2021-12-10**

Mapping update

* Stox (asset) code changed from *STX* to *STOX* & Blockstack (asset) code changed from *BSTX* to *STX*<br>

**2021-12-08**

Mapping update

* Quote Asset correction for Bitfinex Tether quoted instruments

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