whose the US top 5? SIG & GS… who else? Lehman? Bear Stearns? DB? Citi? CSFB? ahaha, you seem to be in that biz, do you have input?
Wolverine Trading, SIG, Citadel, Timber Hill, CTC (equity index options primarily)
whose the US top 5? SIG & GS… who else? Lehman? Bear Stearns? DB? Citi? CSFB? ahaha, you seem to be in that biz, do you have input?
Wolverine Trading, SIG, Citadel, Timber Hill, CTC (equity index options primarily)