Internal Revenue Bulletin:  2003-34 

August 25, 2003 

Table of Valuation of Stock Options

  Term (months) 3 12 24 36 48 60 72 84 96 108 120
Volatility Spread Factor*  
Low 200% 66.8% 67.3% 67.9% 68.4% 69.0% 69.5% 69.9% 70.3% 70.7% 71.0% 71.2%
180% 64.5% 65.0% 65.7% 66.4% 67.1% 67.7% 68.3% 68.8% 69.3% 69.6% 69.9%
160% 61.8% 62.4% 63.3% 64.1% 65.0% 65.8% 66.5% 67.1% 67.7% 68.1% 68.5%
140% 58.6% 59.4% 60.4% 61.5% 62.5% 63.5% 64.4% 65.1% 65.8% 66.4% 66.9%
120% 54.9% 55.8% 57.1% 58.4% 59.7% 60.9% 62.0% 62.9% 63.7% 64.5% 65.1%
100% 50.4% 51.5% 53.2% 54.8% 56.4% 57.9% 59.1% 60.3% 61.3% 62.2% 63.0%
80% 44.9% 46.3% 48.5% 50.6% 52.6% 54.3% 55.9% 57.3% 58.5% 59.6% 60.5%
60% 38.0% 40.0% 42.9% 45.6% 48.0% 50.1% 52.0% 53.7% 55.2% 56.5% 57.6%
40% 29.3% 32.3% 36.3% 39.7% 42.6% 45.2% 47.4% 49.4% 51.2% 52.7% 54.1%
20% 18.1% 23.3% 28.5% 32.7% 36.2% 39.3% 41.9% 44.3% 46.4% 48.2% 49.9%
0% 6.4% 13.6% 19.9% 24.7% 28.8% 32.3% 35.4% 38.1% 40.5% 42.7% 44.7%
-20% 0.6% 5.4% 11.2% 16.1% 20.4% 24.2% 27.6% 30.6% 33.4% 35.9% 38.1%
-40% 0% 0.9% 4.1% 7.9% 11.6% 15.2% 18.5% 21.7% 24.6% 27.3% 29.9%
-60% 0% 0.0% 0.6% 2.0% 4.0% 6.4% 9.0% 11.6% 14.3% 16.8% 19.3%
 
Medium 200% 66.8% 67.4% 68.6% 69.9% 71.1% 72.2% 73.1% 73.9% 74.5% 75.0% 75.4%
180% 64.5% 65.2% 66.7% 68.2% 69.6% 70.9% 71.9% 72.8% 73.5% 74.1% 74.6%
160% 61.8% 62.7% 64.5% 66.3% 68.0% 69.4% 70.6% 71.6% 72.5% 73.2% 73.7%
140% 58.6% 59.8% 62.0% 64.2% 66.1% 67.7% 69.1% 70.3% 71.2% 72.0% 72.7%
120% 54.9% 56.4% 59.2% 61.7% 63.9% 65.8% 67.4% 68.8% 69.9% 70.8% 71.6%
100% 50.4% 52.5% 55.9% 58.9% 61.5% 63.7% 65.5% 67.0% 68.3% 69.4% 70.3%
80% 44.9% 47.9% 52.2% 55.7% 58.7% 61.2% 63.2% 65.0% 66.5% 67.7% 68.8%
60% 38.2% 42.6% 47.8% 52.0% 55.4% 58.3% 60.6% 62.7% 64.3% 65.8% 67.0%
40% 30.0% 36.3% 42.7% 47.6% 51.6% 54.8% 57.6% 59.9% 61.8% 63.5% 64.9%
20% 20.3% 29.1% 36.8% 42.5% 47.0% 50.8% 53.9% 56.5% 58.8% 60.7% 62.3%
0% 10.4% 21.2% 30.0% 36.4% 41.6% 45.8% 49.4% 52.4% 55.0% 57.2% 59.1%
-20% 3.0% 13.0% 22.2% 29.2% 34.9% 39.7% 43.7% 47.2% 50.2% 52.8% 55.0%
-40% 0.3% 5.7% 13.8% 20.8% 26.8% 32.0% 36.4% 40.4% 43.8% 46.8% 49.5%
-60% 0% 1.2% 5.9% 11.4% 16.9% 22.1% 26.7% 31.0% 34.8% 38.3% 41.4%
 
High 200% 66.8% 68.1% 70.7% 73.1% 75.0% 76.6% 77.8% 78.8% 79.5% 80.0% 80.4%
180% 64.5% 66.1% 69.1% 71.7% 73.9% 75.6% 77.0% 78.1% 78.9% 79.5% 79.9%
160% 61.8% 63.8% 67.3% 70.3% 72.7% 74.6% 76.1% 77.3% 78.2% 78.9% 79.4%
140% 58.6% 61.3% 65.3% 68.6% 71.3% 73.4% 75.1% 76.4% 77.4% 78.2% 78.8%
120% 54.9% 58.3% 63.0% 66.8% 69.7% 72.1% 73.9% 75.4% 76.6% 77.4% 78.1%
100% 50.6% 55.0% 60.4% 64.6% 67.9% 70.6% 72.6% 74.3% 75.6% 76.6% 77.3%
80% 45.3% 51.1% 57.4% 62.2% 65.9% 68.8% 71.1% 73.0% 74.4% 75.6% 76.5%
60% 39.1% 46.6% 54.0% 59.4% 63.5% 66.8% 69.4% 71.4% 73.1% 74.4% 75.4%
40% 31.7% 41.4% 50.0% 56.1% 60.7% 64.4% 67.3% 69.6% 71.5% 73.0% 74.2%
20% 23.2% 35.4% 45.3% 52.1% 57.4% 61.5% 64.8% 67.4% 69.6% 71.3% 72.7%
0% 14.3% 28.5% 39.6% 47.4% 53.3% 57.9% 61.6% 64.7% 67.1% 69.1% 70.8%
-20% 6.4% 20.8% 32.9% 41.5% 48.1% 53.4% 57.6% 61.1% 64.0% 66.4% 68.3%
-40% 1.5% 12.7% 24.8% 34.0% 41.4% 47.3% 52.2% 56.3% 59.7% 62.5% 64.8%
-60% 0.1% 5.2% 15.2% 24.3% 32.1% 38.8% 44.4% 49.1% 53.2% 56.6% 59.5%
[a]

[a] * Spot (market) Price/Exercise Price — 1 or (S/X-1)

SECTION 8. DRAFTING INFORMATION

The principal author of this procedure is Erinn Madden of the Office of Chief Counsel of the Division Counsel/Associate Chief Counsel (Tax Exempt and Government Entities. However, other personnel from the IRS and Treasury Department participated in its development. For further information regarding this revenue procedure, contact Ms. Madden (202) 622-6030 (not a toll-free call).


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