Originally Posted by matrim33

It appears SPG points and Marriott are now fully the same value. That means 1:3 transferring to partner airlines, not 1:1 (without the bonus 25%) Can anybody confirm this?

From Amex:

Transfer Points

Redeem points for flights on over 300 airlines with Air+Car. Transfer points to over 40 airline frequent flyer programs, mostly at a ratio of three points to one mile.‡ Receive a 15,000 point bonus when you transfer 60,000 points to a participating frequent flyer program.‡