USD/JPY trying to steady at lower levels. Talk of option interest

USD/JPY sits at 100.58/63 at writing. There is talk in the market of 100.50 vanilla option expiries today and as such there might be a defence of said level. Also 100.50 is cited as technical support. Wouldn’t be surprised if sell-stops weren’t gathering just below said level (say around 100.45).

Technical support below 100.50 comes at 100.20/25.

Also now hearing talk of vanilla option expiry at 100.25 as well.