# RIOX Max Pain (Strike Pegger)

> RIOX max pain chart: the strike where option writers' aggregate liability is minimized, daily and by expiration.

Data as of Nov 13, 2026 (end of day).

Max Pain© analysis: the peg is the strike where call and put writers' aggregate liability is minimized; the target price (bias) is where call and put liability converge.

## RIOX quote

| Field | Value |
|---|---|
| Last | 14.72 |
| Change | -0.56 |
| Open | 14.89 |
| Previous | 15.28 |
| High | 15.00 |
| Low | 13.25 |
| Bid | - |
| Ask | - |
| Volume | 104,796 |
| Trades | - |
| Dividend | - |
| Yield | - |
| Ex-Div | - |
| Split Date | - |
| Impl Vol | 211.6% |
| Hist Vol | 213.7% |
| Opt Volume | 71 |
| Open Int | 2,426 |

Expiration: Nov 20, 2026.

All expirations: 2026-11-20, 2026-12-18, 2027-02-19, 2027-05-21.

Change the view with query parameters: `expiration` (YYYY-MM-DD, the daily history and the by-strike profile), `date` (an earlier session). Example: `/quotes/strike-pegger/RIOX.md?expiration=2026-11-20`.

## Daily History — expiration Nov 20, 2026

| Date | Strike Peg | Stock Price | Target Price (bias) | Call OI | Put OI |
|---|---:|---:|---:|---:|---:|
| Nov 13, 2026 | 15.00 | 14.72 | 14.36 | 795 | 908 |
| Nov 12, 2026 | 15.00 | 15.28 | 14.36 | 796 | 906 |
| Nov 11, 2026 | 15.00 | 16.05 | 14.38 | 784 | 921 |
| Nov 10, 2026 | 15.00 | 15.70 | 13.54 | 991 | 949 |
| Nov 9, 2026 | 14.00 | 15.03 | 12.98 | 1,168 | 952 |
| Nov 6, 2026 | 12.00 | 13.52 | 12.51 | 1,342 | 966 |
| Nov 5, 2026 | 12.00 | 10.67 | 12.57 | 1,305 | 983 |
| Nov 4, 2026 | 12.00 | 11.59 | 12.57 | 1,296 | 994 |
| Nov 3, 2026 | 12.00 | 9.75 | 12.57 | 1,289 | 994 |
| Nov 2, 2026 | 12.00 | 7.11 | 12.58 | 1,284 | 987 |
| Oct 30, 2026 | 13.00 | 8.39 | 12.66 | 1,264 | 990 |

## Open Interest by Strike

**Strike Peg is 15.00, Bias: 14.36** (expiration Nov 20, 2026) — 1.9% above the last price of 14.72; open interest 795 calls / 908 puts (put/call 1.14).

Net Liability is the call plus put writers' liability if the stock settles at the strike; the peg is its minimum. Showing 49 of 60 strikes: those with open interest; the peg uses every strike.

| Strike | Call OI | Put OI | Net Liability |
|---:|---:|---:|---:|
| 6.00 | 2 | 2 | 8,471 |
| 7.00 | 1 | 10 | 7,567 |
| 8.00 | 32 | 16 | 6,674 |
| 9.00 | 211 | 16 | 5,829 |
| 10.00 | 17 | 30 | 5,211 |
| 11.00 | 22 | 2 | 4,640 |
| 12.00 | 21 | 43 | 4,093 |
| 13.00 | 2 | 90 | 3,610 |
| 14.00 | 5 | 105 | 3,219 |
| 15.00 | 179 | 173 | 2,938 |
| 16.00 | 8 | 148 | 3,009 |
| 17.00 | 11 | 212 | 3,236 |
| 18.00 | 13 | 9 | 3,686 |
| 19.00 | 43 | 3 | 4,158 |
| 20.00 | 4 | 6 | 4,676 |
| 21.00 | 3 | 2 | 5,204 |
| 22.00 | 27 | 4 | 5,737 |
| 23.00 | 9 | 2 | 6,301 |
| 24.00 | 9 | 6 | 6,876 |
| 25.00 | 8 | 2 | 7,466 |
| 26.00 | 17 | 2 | 8,066 |
| 27.00 | 1 | 1 | 8,685 |
| 28.00 | 0 | 9 | 9,306 |
| 29.00 | 4 | 2 | 9,936 |
| 30.00 | 14 | 4 | 10,572 |
| 31.00 | 3 | 4 | 11,226 |
| 32.00 | 4 | 3 | 11,887 |
| 33.00 | 2 | 1 | 12,555 |
| 34.00 | 1 | 0 | 13,226 |
| 35.00 | 23 | 0 | 13,898 |
| 36.00 | 1 | 0 | 14,593 |
| 37.00 | 1 | 0 | 15,289 |
| 40.00 | 4 | 0 | 17,380 |
| 45.00 | 5 | 0 | 20,885 |
| 46.00 | 1 | 0 | 21,591 |
| 47.00 | 1 | 0 | 22,298 |
| 48.00 | 1 | 0 | 23,006 |
| 49.00 | 1 | 1 | 23,715 |
| 50.00 | 5 | 0 | 24,426 |
| 55.00 | 1 | 0 | 28,006 |
| 60.00 | 3 | 0 | 31,591 |
| 65.00 | 16 | 0 | 35,191 |
| 70.00 | 7 | 0 | 38,871 |
| 75.00 | 5 | 0 | 42,586 |
| 80.00 | 1 | 0 | 46,326 |
| 85.00 | 3 | 0 | 50,071 |
| 90.00 | 1 | 0 | 53,831 |
| 95.00 | 18 | 0 | 57,596 |
| 100.00 | 24 | 0 | 61,451 |

## By Expiration

| Expiration | Strike Peg | Stock Price | Target Price (bias) | Call OI | Put OI |
|---|---:|---:|---:|---:|---:|
| Nov 20, 2026 | 15.00 | 14.72 | 14.36 | 795 | 908 |
| Nov 21, 2026 | 15.00 | 14.72 | 14.36 | 795 | 908 |
| Dec 19, 2026 | 10.00 | 14.72 | 10.14 | 348 | 60 |
| Feb 20, 2027 | 34.00 | 14.72 | 36.96 | 131 | 46 |
| May 22, 2027 | 15.00 | 14.72 | 16.77 | 75 | 63 |

Max Pain© is a registered trademark. The peg is computed from open interest in the day's option snapshot.

## More for RIOX

- [Quote](https://www.optionistics.com/quotes/stock-quotes/RIOX.md)
- [Option chain](https://www.optionistics.com/quotes/stock-option-chains/RIOX.md)
- [Price history](https://www.optionistics.com/quotes/stock-prices/RIOX.md)
- [10 day snapshot](https://www.optionistics.com/snapshot.md?symbol=RIOX)
- [Strike Pegger (max pain)](https://www.optionistics.com/quotes/strike-pegger/RIOX.md)
- [Volatility skew](https://www.optionistics.com/screener/volatility-skew/RIOX.md)
- [Put/call ratio](https://www.optionistics.com/screener/put-call-ratio/RIOX.md)
- [Trade finder](https://www.optionistics.com/screener/stock-trade-finder/RIOX.md)

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