Question 1

What is the difference between Ratio and Multiplier?

Accepted Answer

Ratio is the number of lots sent to the exchange per leg when you execute. Multiplier is the weight applied to that leg's LTP when computing the live Net Premium (spread price). They are often the same — a 1:2 ratio call spread has ratio 1/2 and multiplier 1/2. But you can set them differently: execute equal lots (ratio 1:1) while computing a notional-weighted spread price (multiplier 1:0.33 for a NIFTY vs BankNifty spread). The B/S direction automatically applies the correct sign to both.

Question 2

Can I mix NIFTY options and BANKNIFTY futures in one spread?

Accepted Answer

Yes — Auto Spreader is the only OptionX widget that supports cross-underlying and cross-asset-class legs in a single spread. Add a NIFTY CE leg and a BANKNIFTY FUT leg, set the ratios and multipliers, and the Net Premium updates live as both move. You can mix NSE, BSE, NFO, BFO, and MCX instruments in the same leg table.

Question 3

What does Net Premium sign mean — positive vs negative?

Accepted Answer

Net Premium = Σ (±Multiplier × LTP), where Buy legs contribute positive and Sell legs contribute negative. A positive Net Premium means the spread is net credit — you collect premium on entry. A negative Net Premium means net debit — you pay to enter the spread. Watch the sign and magnitude together to evaluate whether the spread is currently priced attractively.

Question 4

How do I build a calendar spread in Auto Spreader?

Accepted Answer

Add two legs with the same underlying — e.g., NIFTY 22500 CE — but select different expiry dates for each. Set the near-expiry leg to Sell and the far-expiry leg to Buy. The Net Premium shows the live calendar spread cost (how much debit you pay). This is the classic time spread construction — impossible in Strategy Builder which requires all legs on the same expiry.

Question 5

What is Min Tick and how do I use it for limit orders?

Accepted Answer

Min Tick is the GCD of (TickSize × |Multiplier|) across all legs — the smallest spread price increment where every leg moves by exactly one tick simultaneously. When placing limit orders on the Strategy Order Board for this spread, use Min Tick as the granularity for your limit price — prices that aren't multiples of Min Tick can't be achieved by whole-tick moves in individual legs.

Question 6

Can I execute orders directly inside Auto Spreader?

Accepted Answer

No — Auto Spreader is a construction and analysis tool. To execute, click Open Ladder, which saves the spread and opens it in a Strategy Order Board widget. From there you can place market orders for all legs simultaneously or set individual limit prices per leg and monitor fills in real time.

Question 7

What happens when a leg's instrument expires?

Accepted Answer

Expired legs are flagged with an orange Expired badge and a warning icon. All editable cells for that leg are disabled and the Save, Open Chart, and Open Ladder buttons are blocked. Replace the expired instrument — select the new expiry from the instrument search — before executing or saving.

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