Trading Block: VIX getting some life again thanks to "fire and fury."

Earnings after the bell:

• NVDA - ATM straddle: $15, approx. 9%
• SNAP - ATM straddle: $2.25, approx.16.5%

Odd Block: Put spreads trade in iShares MCSI South Korea Index (EWY) , put rolls in SPDR Retail ETF (XRT) and puts sell and call in Urban Outfitters (URBN).

Strategy Block: Uncle Mike Tosaw discusses what happens when low volatility gets higher in the course of just one day.

Mail Block/Flash Poll:

BOX Options is opening a new trading floor. Do we need another floor to compete with Philly, NYSE, CBOE and all the rest?

• Yes, for complex orders
• No, there are too many exchanges
• N/A, I only trade electronically
• I am dusting off my trading jacket

Around the Block: What's coming up?

Earnings this week:

• Thursday - Macys, Kohl's, Nordstrom, Blue Apron, Snap Inc., Coca-Cola, Nvidia
• Friday -JCPenney

Big numbers:

• Aug 11: Consumer Price Index

Get in the Middle of the Trading Action at the Professional Traders Summit