| Ratios |
| Total Put/Call Ratio | 1.06 |
| Index Put/Call Ratio | 1.41 |
| Equity Put/Call Ratio | 0.70 |
| CBOE Volatility Index (VIX) Put/Call Ratio | 0.37 |
|
| BXM - CBOE S&P 500 BuyWrite Index |
| Open | High | Low | Close |
| 834.87 | 834.89 | 830.79 | 833.08 |
| VIX - CBOE Volatility Index |
| Open | High | Low | Close |
| 20.03 | 20.03 | 17.47 | 18.27 |
|
| Index, ETF and HOLDRs Options |
|   | Call | Put | Total | |
| Volume | 934,736 | 1,321,116 | 2,255,852 | |
| Equity Options |
|   | Call | Put | Total | |
| Volume | 901,043 | 627,534 | 1,528,577 | |
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