cme @

Chicago Mercantile Exchange

20 South Wacker Drive
Chicago, IL 60606-7499
www.cme.com

January 29, 2007

Ms. Eileen Donovan

Office of the Secretariat

Commodity Futures Trading Commission
Three Lafayette Centre

4155 21" Street, N.W.

Washington, D.C. 20581

RE: CME Rule 588.K. (“Globex® No Bust Ranges”)
Submission No. 07-10

Dear Ms. Webb:

Chicago Mercantile Exchange Inc. (“CME” or “Exchange") hereby notifies the Commission that
the Exchange has approved an amendment to Rule 588.K to add the Spot FX and Euroyen futures
contracts to the list of Globex No Bust Ranges. The rule change is attached with the additions
underlined.

The Exchange certifies that this regulatory advisory neither violates nor is inconsistent with any
provision of the Commodity Exchange Act or of the rules and regulations thereunder.
If you have any questions regarding this matter, please call me at (312) 648-5422.

Sincerely,

/S/ Stephen M. Szarmack
Director and Associate General Counsel

‘SMS/eim/6068 Sub No, 07-10.doc


588.K. GLOBEX No Bust Ranges

Futures No Bust Range
Eurodollar, E-mini Eurodollar and LIBOR 2.5 basis points or less
E-mini Eurodollar Bundle 2.5 basis points or less

2.5 basis points or tess
5 basis points or less

‘Swaps 5 basis points or less
Eurozone HICP Futures 25 basis points or less
Currency Futures (except British pound and Mexican Peso) 20 ticks or less

British Pound Futures and Mexican Peso Futures 30 ticks or less

Spot FX 20 pips or less

S&P 500 and E-mini S&P 500 6.00 index points or less
S&P Citigroup Growth 4.00 index points or less
‘S&P Citigroup Value 4.00 index points or less
‘S&P Midcap 400 and E-mini S&P Midcap 400 4,00 index points or less
S&P Smalicap 600 4.00 index points or less
E-Mini S&P Asia 50 12.00 index points or less
E-Mini MSCI EAFE 12.00 index points or less
S&P 500 Depository Receipts 0.60 index points or less
Russell 2000 and E-mini Russell 2000 4,00 index points or less
E-mini Russell 1000 4.00 index points or less
iShares Russell 2000 0.40 index points or less
Nasdaq-100 and E-mini Nasdaq-100 12.00 index points or less
E-mini Nasdaq Composite 12.00 index points or less
E-mini Nasdaq Biotechnology 12.00 index points or less
Nasdaq-100 Index Tracking Stock 0.30 index points or less
Nikkei 225 ($ and ¥) 60.00 index points or less
S&P 500 Technology SPCTR 3.00 index points or less
S&P 500 Financial SPCTR 3.00 index points or less
Housing Futures 2.00 index points or less
TRAKRS Futures 25 cents or less
Goldman Sachs Commodity Index 2.50 index points or less
CME Weather 25.00 index points or less
CME Snowfall 50 ticks or 5 inches

Lean Hogs $0,0050 per pound or less
Live Cattle $0.0050 per pound or less
Feeder Cattle $0.0050 per pound or less
Pork Bellies $0.0050 per pound or less
Butter (Cash-Settled) $0.0075 per pound or less
Milk $0.20 per owt. or less
Urea $3 per ton or less

DAP $3 per ton or less

UAN $3 per ton or less
Ethanol $.025 per gallon or less
NYMEX Crude Oil and NYMEX miNY Crude Oil $0.25 or less

NYMEX Brent $0.25 or less

NYMEX REBCO $0.25 or less

NYMEX 3-2-1 PLUS $0.25 or less

NYMEX Natural Gas and NYMEX miNY Natural Gas $0.05 or less

NYMEX Natural Gas (last-day) futures $0.05 or less

NYMEX Heating Oil and NYMEX miNY Heating Oil $0.01 or less

NYMEX RBOB Gasoline and NYMEX miNY RBOB Gasoline $0.01 or less

NYMEX Unleaded Gas $0.01 or less

NYMEX Propane $0.01 or less

NYMEX Singapore 380 Fuel Oil $2.00 or less

COMEX Gold and miNY Gold $4.00 or less

COMEX Asian Gold $0.40 or less

COMExX Silver and miNY Silver $0.10 or less

NYMEX Platinum $10.00 or less

NYMEX Asian Platinum $0.40 or less

NYMEX Palladium $5.00 or less

NYMEX Asian Palladium $0.40 or less

COMEX Copper and miNY Copper $0.02 or less

COMEX London Copper Grade A $40.00 or less

COMEX Aluminum $0.01 or less

COMEX London Primary Aluminum, $40.00 or less

COMEX London SHG Zine $40.00 or less

NYMEX Cocoa $40.00 or less

NYMEX Coffee $0.01 or less

NYMEX Cotton $0.008 or less

NYMEX FCOJ $0.025 or less

NYMEX Sugar 11 $0.0035 or less

NYMEX Sugar 14 $0.0035 or less


Futures

Futures Combinations
Eurodollar Combinations & E-mini Eurodollar Bundles

Non-Eurodollar, Non-Implied Eligible, Intra-Commodity Futures

Spreads
Implied Eligible Intra-Commodity Futures Spreads

Inter-Commodity Futures Spreads

Options on Futures

Interest Rate Options

All Eurodollar Covered Strategies

Prices below or equal to 5 basis points

Prices greater than 5 through 15 basis points
Prices greater than 15 through 25 basis points
Prices greater than 25 basis points

Interest Rate Options (Deltas greater than 50%)

Equity Index Options
Any premium level

Currency Options
Any premium level

Commodity Options
Any premium level

Agricultural Options
Any premium level

No Bust Range

2.5 basis points or less
5 ticks or less

Same as the no bust range of the
individual legs

The wider of the no bust ranges of
the two individual legs

No Bust Range

1 basis point

1 basis point
1.5 basis points
2 basis points
2.5 basis points
2.5 basis points

20% of premium (up to 3.00 index
points with a minimum of 1 tick) or
less

20% of premium (up to 10 ticks
with a minimum of 1 tick) or less

20% of premium (up to 10 ticks
with a minimum of 1 tick) or less

20% of premium (up to $0.0025 per
pound with a minimum of 1 tick) or
less