| ticker_at | string | Underlying asset type |
| ticker_ts | string | Underlying ticker source |
| ticker_tk | string | Underlying ticker |
| tradingDate | date | Trading date |
| tradingSession | string | Trading session ('None','RegularMkt','PreMkt','PostMkt','PostMktETF','NextDay') |
| securityID | bigint | SpiderRock security ID |
| hEMove | float | Realized volatility measurement of daily changes occurring on past earnings announcements |
| hEMoveNum | int | Reserved for future use |
| hEMoveAvg | float | Reserved for future use |
| hEMoveStd | float | Reserved for future use |
| hEMoveMin | float | Reserved for future use |
| hEMoveMax | float | Reserved for future use |
| iEMove | float | Forecast earnings volatility as implied from the atm volatility term structure |
| iEFitCode | string | Internal use only |
| iEFitError | float | Internal use only |
| expiryCount | int | The number of valid surfaces across all option expirations used to construct fixed term volatilities |
| iEMoveAvg | float | Statistic collected over the daily trading session on iEMove |
| iEMoveStd | float | Statistic collected over the daily trading session on iEMove |
| iEMoveMin | float | Statistic collected over the daily trading session on iEMove |
| iEMoveMax | float | Statistic collected over the daily trading session on iEMove |
| iEMoveCnt | int | Iteration counter used to calculate statistics |
| eMoveExpAdj1 | int | Internal use only |
| eMoveYrsAdj1 | float | Internal use only |
| eMoveYears1 | float | Years to expiration corresponding to eMoveEKey1 |
| eMoveEKey1_at | string | Expiration key corresponding to the option falling after the first implied earnings date |
| eMoveEKey1_ts | string | Expiration key corresponding to the option falling after the first implied earnings date |
| eMoveEKey1_tk | string | Expiration key corresponding to the option falling after the first implied earnings date |
| eMoveEKey1_dt | date | Expiration date corresponding to the option falling after the first implied earnings date |
| eMoveExpAdj2 | int | Internal use only |
| eMoveYrsAdj2 | float | Internal use only |
| eMoveYears2 | float | Years to expiration corresponding to eMoveEKey2 |
| eMoveEKey2_at | string | Expiration key corresponding to the option falling after the second implied earnings date |
| eMoveEKey2_ts | string | Expiration key corresponding to the option falling after the second implied earnings date |
| eMoveEKey2_tk | string | Expiration key corresponding to the option falling after the second implied earnings date |
| eMoveEKey2_dt | date | Expiration date corresponding to the option falling after the second implied earnings date |
| atmCenI_st | float | Reserved for future use |
| atmCenI_lt | float | Reserved for future use |
| atmCenI_decay | float | Reserved for future use |
| atmCenI_5d | float | The 5 day censored atm volatility (with iEMove earnings volatility removed) |
| atmCenI_10d | float | The 10 day censored atm volatility (with iEMove earnings volatility removed) |
| atmCenI_21d | float | The 21 day censored atm volatility (with iEMove earnings volatility removed) |
| atmCenI_42d | float | The 42 day censored atm volatility (with iEMove earnings volatility removed) |
| atmCenI_63d | float | The 63 day censored atm volatility (with iEMove earnings volatility removed) |
| atmCenI_84d | float | The 84 day censored atm volatility (with iEMove earnings volatility removed) |
| atmCenI_105d | float | The 105 day censored atm volatility (with iEMove earnings volatility removed) |
| atmCenI_126d | float | The 126 day censored atm volatility (with iEMove earnings volatility removed) |
| atmCenI_189d | float | The 189 day censored atm volatility (with iEMove earnings volatility removed) |
| atmCenI_252d | float | The 252 day censored atm volatility (with iEMove earnings volatility removed) |
| atmCenI_378d | float | The 378 day censored atm volatility (with iEMove earnings volatility removed) |
| atmCenI_504d | float | The 504 day censored atm volatility (with iEMove earnings volatility removed) |
| atmCenH_st | float | Reserved for future use |
| atmCenH_lt | float | Reserved for future use |
| atmCenH_decay | float | Reserved for future use |
| atmCenH_5d | float | The 5 day censored atm volatility (with hEMove earnings volatility removed) |
| atmCenH_10d | float | The 10 day censored atm volatility (with hEMove earnings volatility removed) |
| atmCenH_21d | float | The 21 day censored atm volatility (with hEMove earnings volatility removed) |
| atmCenH_42d | float | The 42 day censored atm volatility (with hEMove earnings volatility removed) |
| atmCenH_63d | float | The 63 day censored atm volatility (with hEMove earnings volatility removed) |
| atmCenH_84d | float | The 84 day censored atm volatility (with hEMove earnings volatility removed) |
| atmCenH_105d | float | The 105 day censored atm volatility (with hEMove earnings volatility removed) |
| atmCenH_126d | float | The 126 day censored atm volatility (with hEMove earnings volatility removed) |
| atmCenH_189d | float | The 189 day censored atm volatility (with hEMove earnings volatility removed) |
| atmCenH_252d | float | The 252 day censored atm volatility (with hEMove earnings volatility removed) |
| atmCenH_378d | float | The 378 day censored atm volatility (with hEMove earnings volatility removed) |
| atmCenH_504d | float | The 504 day censored atm volatility (with hEMove earnings volatility removed) |
| sDiv_5d | float | Interpolated 5 day implied sdiv rate (sdivEMA from surface curve records) |
| sDiv_10d | float | Interpolated 10 day implied sdiv rate (sdivEMA from surface curve records) |
| sDiv_21d | float | Interpolated 21 day implied sdiv rate (sdivEMA from surface curve records) |
| sDiv_42d | float | Interpolated 42 day implied sdiv rate (sdivEMA from surface curve records) |
| sDiv_63d | float | Interpolated 63 day implied sdiv rate (sdivEMA from surface curve records) |
| sDiv_84d | float | Interpolated 84 day implied sdiv rate (sdivEMA from surface curve records) |
| sDiv_105d | float | Interpolated 105 day implied sdiv rate (sdivEMA from surface curve records) |
| sDiv_126d | float | Interpolated 126 day implied sdiv rate (sdivEMA from surface curve records) |
| sDiv_189d | float | Interpolated 189 day implied sdiv rate (sdivEMA from surface curve records) |
| sDiv_252d | float | Interpolated 252 day implied sdiv rate (sdivEMA from surface curve records) |
| sDiv_378d | float | Interpolated 378 day implied sdiv rate (sdivEMA from surface curve records) |
| sDiv_504d | float | Interpolated 504 day implied sdiv rate (sdivEMA from surface curve records) |
| fwdUPrc_5d | float | Interpolated 5 day implied forward price (axisFUPrc from surface curve records) |
| fwdUPrc_10d | float | Interpolated 10 day implied forward price (axisFUPrc from surface curve records) |
| fwdUPrc_21d | float | Interpolated 21 day implied forward price (axisFUPrc from surface curve records) |
| fwdUPrc_42d | float | Interpolated 42 day implied forward price (axisFUPrc from surface curve records) |
| fwdUPrc_63d | float | Interpolated 63 day implied forward price (axisFUPrc from surface curve records) |
| fwdUPrc_84d | float | Interpolated 84 day implied forward price (axisFUPrc from surface curve records) |
| fwdUPrc_105d | float | Interpolated 105 day implied forward price (axisFUPrc from surface curve records) |
| fwdUPrc_126d | float | Interpolated 126 day implied forward price (axisFUPrc from surface curve records) |
| fwdUPrc_189d | float | Interpolated 189 day implied forward price (axisFUPrc from surface curve records) |
| fwdUPrc_252d | float | Interpolated 252 day implied forward price (axisFUPrc from surface curve records) |
| fwdUPrc_378d | float | Interpolated 378 day implied forward price (axisFUPrc from surface curve records) |
| fwdUPrc_504d | float | Interpolated 504 day implied forward price (axisFUPrc from surface curve records) |
| vWidth_5d | float | Interpolated 5 day market atm volatility width (vwidth from surface curve records) |
| vWidth_10d | float | Interpolated 10 day market vwidth (vwidth from surface curve records) |
| vWidth_21d | float | interpolated 21 day market vwidth (vwidth from surface curve records) |
| vWidth_42d | float | Interpolated 42 day market vwidth (vwidth from surface curve records) |
| vWidth_63d | float | Interpolated 63 day market vwidth (vwidth from surface curve records) |
| vWidth_84d | float | Interpolated 84 day market vwidth (vwidth from surface curve records) |
| vWidth_105d | float | Interpolated 105 day market vwidth (vwidth from surface curve records) |
| vWidth_126d | float | Interpolated 126 day market vwidth (vwidth from surface curve records) |
| vWidth_189d | float | Interpolated 189 day market vwidth (vwidth from surface curve records) |
| vWidth_252d | float | Interpolated 252 day market vwidth (vwidth from surface curve records) |
| vWidth_378d | float | Interpolated 378 day market vwidth (vwidth from surface curve records) |
| vWidth_504d | float | Interpolated 504 day market vwidth (vwidth from surface curve records) |
| vSlope_5d | float | Interpolated 5 day market atm volatility slope (slope from surface curve records) |
| vSlope_10d | float | Interpolated 10 day atm vol slope (slope from surface curve records) |
| vSlope_21d | float | Interpolated 21 day atm vol slope (slope from surface curve records) |
| vSlope_42d | float | Interpolated 42 day atm vol slope (slope from surface curve records) |
| vSlope_63d | float | Interpolated 63 day atm vol slope (slope from surface curve records) |
| vSlope_84d | float | Interpolated 84 day atm vol slope (slope from surface curve records) |
| vSlope_105d | float | Interpolated 105 day atm vol slope (slope from surface curve records) |
| vSlope_126d | float | Interpolated 126 day atm vol slope (slope from surface curve records) |
| vSlope_189d | float | Interpolated 189 day atm vol slope (slope from surface curve records) |
| vSlope_252d | float | Interpolated 252 day atm vol slope (slope from surface curve records) |
| vSlope_378d | float | Interpolated 378 day atm vol slope (slope from surface curve records) |
| vSlope_504d | float | Interpolated 504 day atm vol slope (slope from surface curve records) |
| eCnt_5d | int | Number of expected earnings events for an option expiring in 5 trading days |
| eCnt_10d | int | Number of expected earnings events for an option expiring in 10 trading days |
| eCnt_21d | int | Number of expected earnings events for an option expiring in 21 trading days |
| eCnt_42d | int | Number of expected earnings events for an option expiring in 42 trading days |
| eCnt_63d | int | Number of expected earnings events for an option expiring in 63 trading days |
| eCnt_84d | int | Number of expected earnings events for an option expiring in 84 trading days |
| eCnt_105d | int | Number of expected earnings events for an option expiring in 105 trading days |
| eCnt_126d | int | Number of expected earnings events for an option expiring in 126 trading days |
| eCnt_189d | int | Number of expected earnings events for an option expiring in 189 trading days |
| eCnt_252d | int | Number of expected earnings events for an option expiring in 252 trading days |
| eCnt_378d | int | Number of expected earnings events for an option expiring in 378 trading days |
| eCnt_504d | int | Number of expected earnings events for an option expiring in 504 trading days |
| srCloseTime | time | Time of close for the surface - UTC |