RGC · Regencell Bioscience Holdings Ltd

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$6.10 +0.45 (+7.96%)

Market Cap

$2.79B

494.49M

Options Chain

15-min delayed Underlying $6.10 · today Options Calculator

Positioning

Aug 21, 2026 · 22 days to expiry · 24 contracts

Put / call OI

0.55

Call-heavy positioning

Open interest

1,327

contracts outstanding

Volume

104

traded today

Max pain

$7.50

$1.40 above spot

ATM implied vol

287%

market's expected move

Open interest by strike

Calls Puts

2.5

7.5

12.5

17.5

22.5

Chain

Click any strike for greeks, breakeven and the calculator

Expiry

Aug 21 22d Sep 18 50d Dec 18 141d Mar 19 232d

Calls						Puts
OI	Vol	IV	Δ	Last	Strike	Last	Δ	IV	Vol	OI
2	2	—	—	$2.90		$0.05	-0.065	329%	1	239
Call · $2.5 In the money Last $2.90 Breakeven $5.40 Implied vol — Delta — Gamma — Theta — Vega — Open interest 2 Model this call Put · $2.5 Last $0.05 Breakeven $2.45 Implied vol 329% Delta -0.065 ≈6% ITM Gamma 0.026 Theta -0.014 Vega 0.002 Open interest 239 Model this put
95	6	346.1%	0.745	$1.55		$0.55	-0.264	227.9%	1	133
Call · $5 In the money Last $1.55 Breakeven $6.55 Implied vol 346.1% Delta 0.745 ≈75% ITM Gamma 0.062 Theta -0.038 Vega 0.005 Open interest 95 Model this call Put · $5 Last $0.55 Breakeven $4.45 Implied vol 227.9% Delta -0.264 ≈26% ITM Gamma 0.097 Theta -0.025 Vega 0.005 Open interest 133 Model this put
Underlying $6.10
210	10	177.1%	0.398	$0.58		—	-0.488	276.8%	—	0
Call · $7.5 Last $0.58 Breakeven $8.08 Implied vol 177.1% Delta 0.398 ≈40% ITM Gamma 0.146 Theta -0.023 Vega 0.006 Open interest 210 Model this call Put · $7.5 In the money Last — Breakeven — Implied vol 276.8% Delta -0.488 ≈49% ITM Gamma 0.097 Theta -0.037 Vega 0.006 Open interest 0 Model this put
166	2	202.9%	0.228	$0.40		$6.00	-0.644	285.3%	1	83
Call · $10 Last $0.40 Breakeven $10.40 Implied vol 202.9% Delta 0.228 ≈23% ITM Gamma 0.1 Theta -0.021 Vega 0.005 Open interest 166 Model this call Put · $10 In the money Last $6.00 Breakeven $4.00 Implied vol 285.3% Delta -0.644 ≈64% ITM Gamma 0.089 Theta -0.036 Vega 0.006 Open interest 83 Model this put
70	1	353.1%	0.347	$0.30		$7.65	-0.715	308.3%	1	3
Call · $12.5 Last $0.30 Breakeven $12.80 Implied vol 353.1% Delta 0.347 ≈35% ITM Gamma 0.07 Theta -0.045 Vega 0.005 Open interest 70 Model this call Put · $12.5 In the money Last $7.65 Breakeven $4.85 Implied vol 308.3% Delta -0.715 ≈72% ITM Gamma 0.074 Theta -0.035 Vega 0.005 Open interest 3 Model this put
260	30	315.5%	0.217	$0.15		$9.53	-0.795	307.2%	2	2
Call · $15 Last $0.15 Breakeven $15.15 Implied vol 315.5% Delta 0.217 ≈22% ITM Gamma 0.062 Theta -0.032 Vega 0.004 Open interest 260 Model this call Put · $15 In the money Last $9.53 Breakeven $5.47 Implied vol 307.2% Delta -0.795 ≈80% ITM Gamma 0.062 Theta -0.029 Vega 0.004 Open interest 2 Model this put
38	35	338.1%	0.197	$0.05		$12.92	-0.806	337.2%	1	3
Call · $17.5 Last $0.05 Breakeven $17.55 Implied vol 338.1% Delta 0.197 ≈20% ITM Gamma 0.054 Theta -0.032 Vega 0.004 Open interest 38 Model this call Put · $17.5 In the money Last $12.92 Breakeven $4.58 Implied vol 337.2% Delta -0.806 ≈81% ITM Gamma 0.055 Theta -0.03 Vega 0.004 Open interest 3 Model this put
0	—	738.3%	0.6	—		$14.65	-0.813	363.6%	7	6
Call · $20 Last — Breakeven — Implied vol 738.3% Delta 0.6 ≈60% ITM Gamma 0.033 Theta -0.098 Vega 0.006 Open interest 0 Model this call Put · $20 In the money Last $14.65 Breakeven $5.35 Implied vol 363.6% Delta -0.813 ≈81% ITM Gamma 0.05 Theta -0.032 Vega 0.004 Open interest 6 Model this put
0	—	766%	0.594	—		$17.77	-0.819	387%	1	3
Call · $22.5 Last — Breakeven — Implied vol 766% Delta 0.594 ≈59% ITM Gamma 0.032 Theta -0.103 Vega 0.006 Open interest 0 Model this call Put · $22.5 In the money Last $17.77 Breakeven $4.73 Implied vol 387% Delta -0.819 ≈82% ITM Gamma 0.046 Theta -0.033 Vega 0.004 Open interest 3 Model this put
13	2	434%	0.215	$0.25		$20.26	-0.823	408.2%	1	1
Call · $25 Last $0.25 Breakeven $25.25 Implied vol 434% Delta 0.215 ≈22% ITM Gamma 0.044 Theta -0.043 Vega 0.005 Open interest 13 Model this call Put · $25 In the money Last $20.26 Breakeven $4.74 Implied vol 408.2% Delta -0.823 ≈82% ITM Gamma 0.043 Theta -0.034 Vega 0.005 Open interest 1 Model this put
0	—	—	—	—		—	-0.83	445.2%	—	0
Call · $30 Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this call Put · $30 In the money Last — Breakeven — Implied vol 445.2% Delta -0.83 ≈83% ITM Gamma 0.039 Theta -0.037 Vega 0.005 Open interest 0 Model this put
0	—	844.2%	0.578	—		—	-0.849	453.9%	—	0
Call · $35 Last — Breakeven — Implied vol 844.2% Delta 0.578 ≈58% ITM Gamma 0.029 Theta -0.114 Vega 0.005 Open interest 0 Model this call Put · $35 In the money Last — Breakeven — Implied vol 453.9% Delta -0.849 ≈85% ITM Gamma 0.035 Theta -0.034 Vega 0.003 Open interest 0 Model this put

About this data

Greeks, implied volatility, open interest and the last price come from the latest daily snapshot and are 15-minute delayed. Bid and ask are not included on this plan.

In-the-money strikes are tinted, deepening toward the money, and the bar beside each open-interest figure scales to the heaviest strike shown. Max pain is the listed strike where the most open interest would expire worthless — a positioning reference, not a forecast.

Key facts CIK 1829667 CUSIP G7487R100 13F (30d) 3 filings 3 filers Visit website