openai-gpt-cost-estimator

Estimate the cost for various OpenAI API operations.
v1.0.0 URL: https://unpkg.com/openai-gpt-cost-estimator@1.0.0/dist/index.js
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openaigptgpt-3costestimatorestimatepricepricinggpt3calculate

implied-volatility

Determine implied volatility of options based on their prices
v1.0.0 URL: https://unpkg.com/implied-volatility@1.0.0/implied-volatility.js
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optionpriceimpliedvolatilityblackscholes

svelte-price-estimate

An easy way to show and manage your price estimation for your Svelte project
v0.4.9 URL: https://unpkg.com/svelte-price-estimate@0.4.9/dist/index.js
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svelteestimateestimationprice calculatorpricecalculatorcalculationprice estimateportfolioquotation

ccxt

A cryptocurrency trading API with more than 100 exchanges in JavaScript / TypeScript / Python / C# / PHP / Go
v4.5.18 URL: https://unpkg.com/ccxt@4.5.18/dist/ccxt.browser.min.js
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algorithmicalgotradingaltcoinaltcoinsapiarbitragereal-timerealtimebacktestbacktestingbitcoinbotbtccnycoincoinscryptocryptocurrencycrypto currencycrypto marketcurrencycurrenciesdarkcoindashdigital currencydogedogecoine-commerceetcethetherethereumexchangeexchangeseurframeworkinvestinvestinginvestorlibrarylightlitecoinltcmarketmarket datamarketsmerchandisemerchantminimalohlcvorderorderbookorder bookpriceprice datapricefeedprivatepublicripplestrategytickertickerstoolkittradetradertradingusdvolumewebsocketwebsocketsweb socketweb socketswsxbtxrpzeczerocoin

yahoo-finance2

JS API for Yahoo Finance
v3.10.1 URL: https://unpkg.com/yahoo-finance2@3.10.1/script/src/index.js
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yahoofinancefinancialdatastockpricequotehistoricaleodend-of-dayclientlibrary