| 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 |
| srCloseTime | time | SpiderRock closing mark time |
| clsMarkState | string | Close mark state ('ExchClose','Final','LastPrt','None','SRClose') |
| opnPrc | float | Opening price |
| minPrc | float | Session minimum price |
| maxPrc | float | Session maximum price |
| sharesOutstanding | bigint | Shares outstanding |
| prtCount | int | Total number of prints for the day |
| prtVolume | double | Total volume of contracts traded for the day |
| realizedCnt | int | Realized count |
| realizedVol | float | Realized volatility |
| avgMktSize | float | Average market size (bid size + ask size) / 2 |
| avgMktWidth | float | Average market width (ask price - bid price) |
| bidPrc | float | Bid at srCloseTime |
| askPrc | float | Ask at srCloseTime |
| srClsPrc | float | SpiderRock closing mark |
| closePrc | float | Official closing price from exchange |
| incEarnings | string | Includes earnings announcement (Yes/No) |
| divStatus | string | Dividend status |
| priorDate | timestamp | Prior trading date |
| priorTicker_at | string | Reserved for future use |
| priorTicker_ts | string | Reserved for future use |
| priorTicker_tk | string | Reserved for future use |
| prcAdjValue | float | Corp action adjustment value (0.0 on most days); [todayPrice = priorPrice * prcAdjRatio + prcAdjValue]/Reserved for future use |
| prcAdjRatio | float | Corp action adjustment factor (1.0 on most days)/Reserved for future use |
| priorSRClsPrc | float | Value archived in the previous trading period |
| priorClosePrc | float | Prior trading day closing price |