47 lines
1.5 KiB
Go
47 lines
1.5 KiB
Go
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package tastytrade
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import (
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"encoding/json"
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"fmt"
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"net/url"
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)
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type MarketMetricInfo struct {
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Symbol string `json:"symbol"`
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ImpliedVolatilityIndex float32 `json:"implied-volatility-index"`
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ImpliedVolatilityIndex5DayChange float32 `json:"implied-volatility-index-5-day-change"`
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ImpliedVolatilityRank float32 `json:"implied-volatility-rank"`
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ImpliedVolatilityPercentile float32 `json:"implied-volatility-percentile"`
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Liquidity float32 `json:"liquidity"`
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LiquidityRank float32 `json:"liquidity-rank"`
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LiquidityRating int32 `json:"liquidity-rating"`
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OptionExpirationImpliedVolatilities []struct {
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ExpirationDate string `json:"expiration-date"`
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SettlementType string `json:"settlement-type"`
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OptionChainType string `json:"option-chain-type"`
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ImpliedVolatility float64 `json:"implied-volatility"`
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} `json:"option-expiration-implied-volatilities"`
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}
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func (api *TastytradeAPI) GetMarketMetricInfo(symbol string) (MarketMetricInfo, error) {
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urlVal := fmt.Sprintf("%s/market-metrics/%s", api.host, url.PathEscape(symbol))
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data, err := api.fetchData(urlVal)
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if err != nil {
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return MarketMetricInfo{}, err
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}
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var response MarketMetricInfo
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jsonData, err := json.Marshal(data)
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if err != nil {
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return MarketMetricInfo{}, err
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}
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err = json.Unmarshal(jsonData, &response)
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if err != nil {
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return MarketMetricInfo{}, err
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}
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return response, nil
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}
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