TATATECH 640.00 CE (CALL) 27 January 2026 options price chart analysis Tata Technologies Limited

TATATECH 640.00 CE is trading at ₹ 9.05 on 3:14pm 21 Wed Jan 2026

10 minute average: ₹ 9.62 - Current price of TATATECH 640.00 CE is lower than this average.
30 minute average: ₹ 9.77 - Current price of TATATECH 640.00 CE is lower than this average.
Hourly average: ₹ 8.95 - Current price of TATATECH 640.00 CE is higher than this average.
Day open: ₹ 12.85
Day range: 5.30 - 12.85
Open Interest: 112800 (1.128 L)

Munafa Value: 40 - This score indicates that the option of TATATECH 640.00 CE does not have a definite trend. You can choose to wait till it shows a definite trend, or avoid it completely.

Lot size of TATATECH is: 800

Spot price of TATATECH: 642.800 as on 21 Wed Jan 3:13pm
Day open: 646.000 Range: 632.350 to 650.200

Option Price: TATATECH CE 640.00 2026-01-27 on 21 Wed Jan 2026

Time	Option Price	Open Interest	Open	High	Low
3:14pm	9.05	112800	12.85	12.85	5.30
3:12pm	9.35	114400	12.85	12.85	5.30
3:11pm	9.35	114400	12.85	12.85	5.30
3:09pm	9.65	114400	12.85	12.85	5.30
3:07pm	9.65	114400	12.85	12.85	5.30
3:06pm	9.65	114400	12.85	12.85	5.30
3:05pm	9.95	112000	12.85	12.85	5.30
3:04pm	9.65	112000	12.85	12.85	5.30
3:03pm	9.95	113600	12.85	12.85	5.30
3:02pm	9.95	113600	12.85	12.85	5.30

option chart TATATECH CE 640.00 2026-01-27

White line on the chart is the option premium, and gray line just under it is the open interest. Candle stick charts use day open, day high, day low, and current LTP of the premium. Please note that high low shadows are only plotted when a new high or low is made, otherwise, only candle body is plotted.

What is premium price of TATATECH 640.00 CE CALL today?: Premium of TATATECH 640.00 CE is 14.40 on 20 Jan 2026 CALL opened at 19.80 and traded inside a Low-High range of 12.85-21.00 today. Please click here table for more current prices.
What is open interest of TATATECH 640.00 CALL CE today?: Open Interest of TATATECH 640.00 CE is 67200 today. This has changed 7200.00 from previous day.
What is underlying price of TATATECH 640.00 CE CALL today?: Underlying price of TATATECH 640.00 CE CALL is 647.50 today.
What is lot size of TATATECH 640.00 CALL CE today?: Lot size of TATATECH 640.00 CALL CE is 800.00
Is TATATECH 640.00 CE CALL ITM or OTM or ATM?: TATATECH 640.00 CALL CE is ITM CALL option (in the money). Only ITM options have intrinsic value in them, while OTM options have only time value in them.

Live Options price premium & chart analysis for TATATECH 640.00 CE (CALL) 27 January 2026 options price chart analysis Tata Technologies Limited

Tata Technologies Limited TATATECH trades in NSE under NSE

Underlying equity prev closing: 647.45

TATATECH CALL CE available options strikes

TATATECH CE 620 strike, TATATECH CE 625 strike, TATATECH CE 630 strike, TATATECH CE 635 strike, TATATECH CE 640 strike, TATATECH CE 645 strike, TATATECH CE 650 strike, TATATECH CE 655 strike, TATATECH CE 660 strike, TATATECH CE 665 strike, TATATECH CE 670 strike, TATATECH CE 675 strike, All CE , All PE

TATATECH 640.00 CALL CE available expiry dates

TATATECH 27 Jan 2026 expiry TATATECH 24 Feb 2026 expiry TATATECH 30 Mar 2026 expiry

TATATECH 640.00 CE Live prices

Premium of CALL (CE) of strike 640.00 is at: 14.40 on 20 Jan 2026
CALL opened at 19.80 and traded inside a Low-High range of 12.85-21.00 as on 20 Tue Jan 2026

The underlying equity is trading at 647.45 which means that CALL of strike 640.00 is ITM CALL option (in the money)

Lot size of TATATECH Tata Technologies Limited is 800

Total Open Interest for CALL (CE) of strike 640.00 is 67,200

Price action analysis of 640.00 CALL based on a short term time period is negative, but trend is highly volatile. A longer duration price action analysis might give a better picture of the trend in this stock.

Click here to view most profitable CE and PE for Tata Technologies Limited, both for buyers and sellers | TATATECH Most Active Call Put Options

Date	Underlying price	CE price	CE open	CE high	CE low	CE volume	CE OI	OI Change
20 Tue Jan	647.45	14.40	19.80	21.00	12.85	-42	53,760,000	12%
19 Mon Jan	661.35	25.20	14.65	42.25	14.65	16	48,000,000	-15.7%
16 Fri Jan	650.60	21.65	19.00	25.20	19.00	24	56,960,000	4.7%
14 Wed Jan	646.65	17.45	27.40	27.40	16.90	-40	54,400,000	-2.3%
13 Tue Jan	660.25	29.35	21.00	30.00	20.45	16	55,680,000	1.2%
12 Mon Jan	652.70	25.25	20.30	25.65	19.00	-0	55,040,000	-2.3%

Charts for TATATECH 640.00 CALL CE options for Tata Technologies Limited

Select an expiry and a strike price below to view charts for those options. TATATECH All in One charts

Charts for:

Dark shadowed line on the chart below is the current SPOT price line of underlying equity. White line on the chart is the option closing price line. Candle sticks on the chart are the OHLC for the option.

TATATECH further analysis