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Please find below a statistical comparison of price fluctuations for 380-centistoke (cst) in Singapore and WTI crude oil.

The data shows that whilst the WTI settlement price rose by 8.7 percent during the month of October from 70.82 per barrel on October 1 to 77.00 per barrel on October 30, the Singapore 380-cst price increased by 8.3 percent from $422 per tonne on October 1 to $457 per tonne on the month's last day of business.

However, an analysis of average monthly WTI settlement prices and 380-cst in Singapore shows that whilst the average monthly WTI settlement price rose by 8.4 percent last month to 75.82 per barrel from 69.47 per barrel in September, Singapore 380-cst increased by only 3.4 percent from $426.2 per tonne to $440.0 per tonne.

In a comparison between WTI and Singapore 380-cst since the beginning of the year, the WTI price rose 66.2% between January 2 and October 30, whilst Singapore 380-cst increased by 92 percent during the same period.

However in a monthly average comparison, Singapore 380-cst rose by 70.1 percent between January and October from $257.5 to $440.0 per tonne, whilst WTI increased by 80.9 percent from $41.92 to $75.82 per barrel.

Please click on the graph accompanying this article to enlarge.

WTI - October 2009

Average Settlement Price: 75.82

Lowest Settlement Price: 69.95 (October 2)
Highest Settlement Price: 81.37 (October 21)
Low-High Difference($): 11.42
Low-High Difference (%): 16.3%

October 1: 70.82
October 30: 77.00
Price change ($): +6.18
Price change (%): +8.7%

Singapore 380 CST - October 2009

Average Price: 440.00
Lowest Price: 413.50 (October 5)
Highest Price: 462.00 (October 23)
Low-High difference ($): 48.50
Low-High Difference (%): 11.7%

October 1: 422.00
October 30: 457.00
Price change ($): +35.00
Price change (%): +8.3 %

WTI - Average Monthly Settlement Prices

Month	Price	+/- ($)	+/- (%)
Oct 09	75.82	+6.35	+8.4%
Sep 09	69.47	-1.79	-2.5%
Aug 09	71.26	+6.97	+10.8%
Jul 09	64.29	-5.41	-7.8%
Jun 09	69.70	+10.49	+17.7%
May 09	59.21	+9.26	+18.5%
Apr 09	49.95	+1.85	+3.8%
Mar 09	48.10	+8.85	+22.5%
Feb 09	39.25	-2.67	-6.4%
Jan 09	41.92

Singapore 380 CST - Average Monthly Prices

Month	Price	+/- ($)	+/- (%)
Oct 09	440.0	+13.8	+3.4%
Sep 09	426.2	-11.4	-2.6%
Aug 09	437.6	+30.2	+7.4%
Jul 09	407.4	+9.4	+2.4%
Jun 09	398.0	+55.1	+16.1%
May 09	342.9	+53.9	+18.7%
Apr 09	289.0	+45.1	+18.5%
Mar 09	243.9	-12.9	-5.0%
Feb 09	256.8	-0.7	-0.3%
Jan 09	257.5

January - October 2009

WTI Settlement Price

Jan 02: 46.34
Oct 30: 77.00
Price change ($): +30.66
Price change (%): +66.2%

Jan Average: 41.92
Oct Average: 75.82
Price change ($): +33.9
Price change (%): +80.9%

Singapore 380-cst

Jan 02: 238
Oct 30: 457
Price change ($): +219
Price change (%): +92%

Jan Average: 257.5
Oct Average: 440.0
Price change ($): +182.5
Price change (%): +70.1%