VBL Options — Where Positioning Sits Today

Where VBL open interest sits

The heaviest call open interest is at the 430 strike, holding 75,17,400 contracts — 22.8% of all VBL call open interest on the board, 5.91% above the spot of 406. Call open interest concentrated above price is commonly read as resistance, on the reasoning that writers there are defending the level. It is a crowding observation, not a rule — the level holds until that open interest unwinds.

On the put side the weight is at 410 with 28,96,800 contracts, 16.2% of VBL put open interest, 0.99% above spot. That strike is in the money, so it is not acting as support — price is already beneath it. Heavy in-the-money put open interest more often reflects protection bought before the move than a level being defended now.

New to this? Read the Open Interest guide — how to read it, with worked examples.

What VBL's PCR is saying

VBL is carrying 1,78,85,700 contracts of put open interest against 3,29,25,600 of call, a put-call ratio of 0.54 — call-heavy positioning. PCR has no universally good value; it is read against its own recent range, and the direction it is moving carries more than the level.

It opened the session at 0.54 and has held to 0.54 — a move of 0.00. That is effectively flat: positioning has not changed sides today.

New to this? Read the PCR guide — how to read it, with worked examples.

VBL against its max pain

Max pain for VBL computes to 420, with spot at 406 — 3.45% below it. That strike is where the total value of all open contracts expiring would be lowest. It is arithmetic on the current open interest distribution, not a forecast, and the distribution keeps changing.

The pain curve around it is flat — the neighbouring strikes cost writers only 0.5% more than 420 does. A basin that shallow means several strikes are near-equally cheap to settle at, so the level is a weak magnet and small shifts in open interest can move it.

There are 21 sessions to expiry. This far out the figure moves as positions roll, and it is least informative early in a series — worth watching for direction of travel rather than as a target.

New to this? Read the Max Pain guide — how to read it, with worked examples.

What changed in VBL today

VBL is not carrying enough open interest this session for a meaningful intraday flow read. The table above is the full picture the exchange feed gives for this underlying — on a thin book, a single trade can move a strike to the top of the list, so no level is called out here.

New to this? Read the OI Change guide — how to read it, with worked examples.

The move priced into VBL

The at-the-money straddle on VBL costs 19.50 — 9.10 for the call and 10.40 for the put at the 410 strike. That sum is what the market charges to be covered in either direction, which makes it the move being priced in: about 4.80% of spot, or roughly 391 to 430 by expiry on a breakeven basis.

The straddle has moved 0.0% since the open. That is close to flat, so today's decay and any volatility move have roughly offset.

Implied volatility at the money is 25.2% on the call and 24.5% on the put. The call carries 0.6 points more, which is the less common direction and points to upside being bid.

New to this? Read the ATM Premium guide — how to read it, with worked examples.