# How Daily MTM in options writing works?

**URL:** https://tradingqna.com/t/how-daily-mtm-in-options-writing-works/1757
**Category:** General
**Created:** [December 2, 2014, 9:54am UTC](https://tradingqna.com/t/how-daily-mtm-in-options-writing-works/1757 "2014-12-02T09:54:13Z")
**Posts on this page:** 1
**Showing post:** 2

<div class="post-metadata">

### Author: ![nithin](https://tradingqna.com/user_avatar/tradingqna.com/nithin/32/5_2.png) [@nithin](https://tradingqna.com/u/nithin)
#### Post date: [December 2, 2014, 10:38pm UTC](https://tradingqna.com/t/how-daily-mtm-in-options-writing-works/1757/2 "2014-12-02T22:38:44Z")

</div>

- Margins will go up, but&nbsp;&nbsp;in case of option writing, the margin increase happens gradually.&nbsp;
- Yes, you should be able to, unless there is a big market move against you. The margin required shown on SPAN calculator is not live, so it can be off between 5 to 10% from the actual margin requirement.&nbsp;
- Like I said, the margin increases gradually and it has got nothing to do with if the option is in the money or not.
- Yes, on T+1 day this money gets added to your trading account and can be withdrawn.&nbsp;

---

_[View the full topic](https://tradingqna.com/t/how-daily-mtm-in-options-writing-works/1757)._