Teradata (TDC) Options Chain

NYSE: TDCTechnologyComputer Software: Prepackaged SoftwareUSD

30.59+0.30 (+0.99%)

At close: Oct 9, 4:00 PM ET · Delayed 15 min

Expiration date

Expiration: Nov 20, 2026
Days to expiration: 40
Share price: $30.59
Put/call ratio (OI): 0.65
Put/call ratio (volume): 0.67
ATM implied volatility: 76.5%
Expected move: ±$7.75
Open interest (C / P): 863 / 557

TDC options summary

The TDC options chain for the November 20, 2026 expiration lists 7 call and 6 put contracts, with 40 days until expiration. Open interest stands at 863 calls and 557 puts, a put/call ratio of 0.65, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $30.00 strike is 76.5%, which implies the market expects a move of about ±$7.75 (25.3%) in Teradata stock by expiration.

The most open interest sits at the $32.50 call (627 contracts) and the $27.50 put (174 contracts).

Summary generated from market data by MetaCap's automated system. Methodology

TDC options chain · November 20, 2026

TDC calls and puts by strike price. Shaded cells are in the money.
Calls							Puts
OI	Vol	IV	Last	Bid	Ask	Strike	Bid	Ask	Last	IV	Vol	OI
—	—	—	—	—	—	20.00	0.00	0.75	0.13	98.2%	2	25
—	—	—	—	—	—	22.50	0.15	0.55	0.35	74.9%	3	157
—	—	—	—	—	—	25.00	0.50	1.05	0.81	73.0%	3	34
85	9	72.0%	4.58	4.40	4.80	27.50	0.90	1.60	1.40	64.5%	3	174
94	1	71.0%	3.15	2.95	3.40	30.00	2.25	3.80	2.75	82.0%	2	11
TDC $30.59
627	4	75.2%	1.45	1.40	3.20	32.50	3.40	3.90	5.36	61.4%	1	156
37	3	79.4%	1.12	1.00	2.40	35.00	—	—	—	—	—	—
14	1	70.3%	0.70	0.75	0.95	37.50	—	—	—	—	—	—
3	1	66.2%	0.40	0.30	0.55	40.00	—	—	—	—	—	—
3	2	76.1%	0.24	0.10	0.75	42.50	—	—	—	—	—	—

In-the-money callsIn-the-money puts. IV = implied volatility, OI = open interest (contracts). Each contract covers 100 shares. Quotes delayed at least 15 minutes.

Frequently asked questions

What is the TDC put/call ratio?

For the November 20, 2026 expiration, the TDC put/call ratio based on open interest is 0.65 (557 puts vs 863 calls), and 0.67 based on today's volume. A ratio above 1 means more puts than calls.

What is TDC's implied volatility?

At-the-money implied volatility for TDC options expiring November 20, 2026 is about 76.5%, an annualized estimate of how much the market expects Teradata stock to move.

How many TDC option expiration dates are there?

TDC has 4 listed expiration dates, from Oct 16, 2026 to Apr 16, 2027.

What does "in the money" mean?

A call is in the money when the strike price is below the current share price; a put is in the money when the strike is above it. In-the-money contracts have intrinsic value and are shaded in the table.