Topspin

Topspin is a tennis tipster offering tips mainly from the men's ATP tour but also the women's WTA tour if value is available. Proofed to Sports-Tipsters since January 2012.

This service uses Pinnacle Sports for some of the tips. See "About the Leagues" for further details about this.

This service uses Betfair for some of their tips. See "About the Leagues" for further details about this.

Homepage	http://www.onlinesportsinvestor.com
Membership Fee	1 month: €39; 3 months: €99
Service started	January 2012
Status	Suspended until further notice
Results

Betting Record

Period	Bets	Stakes	Profit	Yield	Rating	Rank
All proofed bets	173	644	-113.4	-17.6%	-30	28
Last 3 months	152	559	-131	-23.4%	-36	30
Last 6 months	173	644	-113.4	-17.6%	-30	29
Last 12 months	173	644	-113.4	-17.6%	-30	26

The rating is a measure of the strength of the tipster's profit record, and is simply number of bets multimplied by yield. More information on this can be found here. The ranking value is the position the tipster holds in the 4 tipsters leagues. Please note that as of 13/06/2011 Sports-Tipsters is only showing analysis, bet histories and profit charts of proofed tips only. For further information, see About the Tipsters' Leagues.

Month	Bets	Stakes	Profit	Yield
Feb-2012	83	303.67	29.49	9.71%
Mar-2012	66	243.47	-89.83	-36.90%