GDS · GDS Holdings Ltd

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$31.63 -0.89 (-2.74%) At close · Jul 24

Market Cap

$6.34B

200.38M

Options Chain

15-min delayed Underlying $31.63 · at close Jul 24, 2026 Options Calculator

Positioning

Aug 21, 2026 · 27 days to expiry · 44 contracts

Put / call OI

0.16

Call-heavy positioning

Open interest

4,799

contracts outstanding

Volume

332

traded today

Max pain

$31.00

$0.63 below spot

ATM implied vol

71.5%

market's expected move

Open interest by strike

Calls Puts

Chain

Click any strike for greeks, breakeven and the calculator

Expiry

Aug 21 27d Sep 18 55d Dec 18 146d Jan 15 174d Mar 19 237d Jan 21 545d

Calls						Puts
OI	Vol	IV	Δ	Last	Strike	Last	Δ	IV	Vol	OI
0	—	157.7%	0.893	—		—	-0.069	123.1%	—	0
Call · $20 In the money Last — Breakeven — Implied vol 157.7% Delta 0.893 ≈89% ITM Gamma 0.014 Theta -0.047 Vega 0.017 Open interest 0 Model this call Put · $20 Last — Breakeven — Implied vol 123.1% Delta -0.069 ≈7% ITM Gamma 0.013 Theta -0.025 Vega 0.012 Open interest 0 Model this put
0	—	131.2%	0.874	—		—	-0.086	103.8%	—	0
Call · $22 In the money Last — Breakeven — Implied vol 131.2% Delta 0.874 ≈87% ITM Gamma 0.019 Theta -0.044 Vega 0.018 Open interest 0 Model this call Put · $22 Last — Breakeven — Implied vol 103.8% Delta -0.086 ≈9% ITM Gamma 0.018 Theta -0.025 Vega 0.012 Open interest 0 Model this put
0	—	134.8%	0.842	—		$0.20	-0.068	80%	63	63
Call · $23 In the money Last — Breakeven — Implied vol 134.8% Delta 0.842 ≈84% ITM Gamma 0.021 Theta -0.053 Vega 0.019 Open interest 0 Model this call Put · $23 Last $0.20 Breakeven $22.80 Implied vol 80% Delta -0.068 ≈7% ITM Gamma 0.019 Theta -0.016 Vega 0.013 Open interest 63 Model this put
0	—	122.7%	0.828	—		$1.10	-0.115	88.6%	2	2
Call · $24 In the money Last — Breakeven — Implied vol 122.7% Delta 0.828 ≈83% ITM Gamma 0.025 Theta -0.051 Vega 0.019 Open interest 0 Model this call Put · $24 Last $1.10 Breakeven $22.90 Implied vol 88.6% Delta -0.115 ≈12% ITM Gamma 0.026 Theta -0.027 Vega 0.019 Open interest 2 Model this put
2	2	118.1%	0.8	$8.26		$0.48	-0.195	113.9%	29	52
Call · $25 In the money Last $8.26 Breakeven $33.26 Implied vol 118.1% Delta 0.8 ≈80% ITM Gamma 0.028 Theta -0.054 Vega 0.026 Open interest 2 Model this call Put · $25 Last $0.48 Breakeven $24.52 Implied vol 113.9% Delta -0.195 ≈19% ITM Gamma 0.029 Theta -0.049 Vega 0.026 Open interest 52 Model this put
0	—	103%	0.781	—		$0.30	-0.163	73.9%	27	30
Call · $26 In the money Last — Breakeven — Implied vol 103% Delta 0.781 ≈78% ITM Gamma 0.034 Theta -0.049 Vega 0.026 Open interest 0 Model this call Put · $26 Last $0.30 Breakeven $25.70 Implied vol 73.9% Delta -0.163 ≈16% ITM Gamma 0.04 Theta -0.028 Vega 0.02 Open interest 30 Model this put
0	—	97.7%	0.745	—		$0.68	-0.2	69.8%	1	22
Call · $27 In the money Last — Breakeven — Implied vol 97.7% Delta 0.745 ≈75% ITM Gamma 0.039 Theta -0.051 Vega 0.027 Open interest 0 Model this call Put · $27 Last $0.68 Breakeven $26.32 Implied vol 69.8% Delta -0.2 ≈20% ITM Gamma 0.048 Theta -0.03 Vega 0.027 Open interest 22 Model this put
2	2	94.5%	0.704	$5.85		$0.89	-0.231	58.1%	2	74
Call · $28 In the money Last $5.85 Breakeven $33.85 Implied vol 94.5% Delta 0.704 ≈70% ITM Gamma 0.044 Theta -0.053 Vega 0.028 Open interest 2 Model this call Put · $28 Last $0.89 Breakeven $27.11 Implied vol 58.1% Delta -0.231 ≈23% ITM Gamma 0.062 Theta -0.027 Vega 0.027 Open interest 74 Model this put
0	—	85.2%	0.661	—		$1.16	-0.315	64.8%	13	48
Call · $29 In the money Last — Breakeven — Implied vol 85.2% Delta 0.661 ≈66% ITM Gamma 0.051 Theta -0.051 Vega 0.032 Open interest 0 Model this call Put · $29 Last $1.16 Breakeven $27.84 Implied vol 64.8% Delta -0.315 ≈32% ITM Gamma 0.066 Theta -0.036 Vega 0.028 Open interest 48 Model this put
97	1	89.2%	0.605	$3.60		$1.40	-0.39	68.6%	37	103
Call · $30 In the money Last $3.60 Breakeven $33.60 Implied vol 89.2% Delta 0.605 ≈61% ITM Gamma 0.051 Theta -0.055 Vega 0.033 Open interest 97 Model this call Put · $30 Last $1.40 Breakeven $28.60 Implied vol 68.6% Delta -0.39 ≈39% ITM Gamma 0.067 Theta -0.04 Vega 0.033 Open interest 103 Model this put
555	1	81%	0.549	$2.77		$2.05	-0.462	62.3%	5	7
Call · $31 In the money Last $2.77 Breakeven $33.77 Implied vol 81% Delta 0.549 ≈55% ITM Gamma 0.059 Theta -0.052 Vega 0.033 Open interest 555 Model this call Put · $31 Last $2.05 Breakeven $28.95 Implied vol 62.3% Delta -0.462 ≈46% ITM Gamma 0.077 Theta -0.038 Vega 0.033 Open interest 7 Model this put
Underlying $31.63
67	17	77.7%	0.488	$2.25		$2.75	-0.531	65.3%	10	54
Call · $32 Last $2.25 Breakeven $34.25 Implied vol 77.7% Delta 0.488 ≈49% ITM Gamma 0.061 Theta -0.05 Vega 0.034 Open interest 67 Model this call Put · $32 In the money Last $2.75 Breakeven $29.25 Implied vol 65.3% Delta -0.531 ≈53% ITM Gamma 0.073 Theta -0.039 Vega 0.034 Open interest 54 Model this put
51	64	75.9%	0.426	$1.95		$3.10	-0.624	57.3%	4	28
Call · $33 Last $1.95 Breakeven $34.95 Implied vol 75.9% Delta 0.426 ≈43% ITM Gamma 0.062 Theta -0.048 Vega 0.035 Open interest 51 Model this call Put · $33 In the money Last $3.10 Breakeven $29.90 Implied vol 57.3% Delta -0.624 ≈62% ITM Gamma 0.081 Theta -0.033 Vega 0.03 Open interest 28 Model this put
94	1	83.9%	0.39	$1.80		$3.30	-0.69	58%	1	5
Call · $34 Last $1.80 Breakeven $35.80 Implied vol 83.9% Delta 0.39 ≈39% ITM Gamma 0.055 Theta -0.052 Vega 0.031 Open interest 94 Model this call Put · $34 In the money Last $3.30 Breakeven $30.70 Implied vol 58% Delta -0.69 ≈69% ITM Gamma 0.073 Theta -0.03 Vega 0.031 Open interest 5 Model this put
700	5	76.1%	0.321	$1.35		$4.20	-0.756	57.9%	5	178
Call · $35 Last $1.35 Breakeven $36.35 Implied vol 76.1% Delta 0.321 ≈32% ITM Gamma 0.056 Theta -0.043 Vega 0.031 Open interest 700 Model this call Put · $35 In the money Last $4.20 Breakeven $30.80 Implied vol 57.9% Delta -0.756 ≈76% ITM Gamma 0.067 Theta -0.027 Vega 0.024 Open interest 178 Model this put
136	9	77.2%	0.275	$1.34		$4.77	-0.854	50%	1	1
Call · $36 Last $1.34 Breakeven $37.34 Implied vol 77.2% Delta 0.275 ≈27% ITM Gamma 0.052 Theta -0.042 Vega 0.032 Open interest 136 Model this call Put · $36 In the money Last $4.77 Breakeven $31.23 Implied vol 50% Delta -0.854 ≈85% ITM Gamma 0.058 Theta -0.016 Vega 0.021 Open interest 1 Model this put
1.5k	2	81.3%	0.249	$0.90		—	-0.881	52.6%	—	0
Call · $37 Last $0.90 Breakeven $37.90 Implied vol 81.3% Delta 0.249 ≈25% ITM Gamma 0.047 Theta -0.041 Vega 0.025 Open interest 1.5k Model this call Put · $37 In the money Last — Breakeven — Implied vol 52.6% Delta -0.881 ≈88% ITM Gamma 0.048 Theta -0.014 Vega 0.016 Open interest 0 Model this put
638	6	86.5%	0.232	$0.90		$6.50	—	—	1	4
Call · $38 Last $0.90 Breakeven $38.90 Implied vol 86.5% Delta 0.232 ≈23% ITM Gamma 0.042 Theta -0.042 Vega 0.025 Open interest 638 Model this call Put · $38 In the money Last $6.50 Breakeven $31.50 Implied vol — Delta — Gamma — Theta — Vega — Open interest 4 Model this put
3	1	78.7%	0.169	$0.80		$7.45	—	—	1	1
Call · $39 Last $0.80 Breakeven $39.80 Implied vol 78.7% Delta 0.169 ≈17% ITM Gamma 0.038 Theta -0.032 Vega 0.025 Open interest 3 Model this call Put · $39 In the money Last $7.45 Breakeven $31.55 Implied vol — Delta — Gamma — Theta — Vega — Open interest 1 Model this put
116	5	86.8%	0.169	$0.75		—	—	—	—	0
Call · $40 Last $0.75 Breakeven $40.75 Implied vol 86.8% Delta 0.169 ≈17% ITM Gamma 0.035 Theta -0.035 Vega 0.026 Open interest 116 Model this call Put · $40 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
23	11	94.6%	0.169	$0.63		—	—	—	—	0
Call · $41 Last $0.63 Breakeven $41.63 Implied vol 94.6% Delta 0.169 ≈17% ITM Gamma 0.032 Theta -0.038 Vega 0.026 Open interest 23 Model this call Put · $41 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
166	3	91.7%	0.084	$0.15		—	—	—	—	0
Call · $45 Last $0.15 Breakeven $45.15 Implied vol 91.7% Delta 0.084 ≈8% ITM Gamma 0.02 Theta -0.023 Vega 0.011 Open interest 166 Model this call Put · $45 In the money Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — 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 1526125 CUSIP 36165L108 13F (30d) 18 filings 18 filers Visit website Investor relations