Mosaic (MOS) Options Chain

NYSE: MOSIndustrialsAgricultural ChemicalsUSD

18.74-0.99 (-5.02%)

At close: Oct 9, 4:00 PM ET · Delayed 15 min

Expiration date

Expiration: Jan 21, 2028
Days to expiration: 468
Share price: $18.74
Put/call ratio (OI): 0.58
Put/call ratio (volume): 0.56
ATM implied volatility: 50.7%
Expected move: ±$10.76
Open interest (C / P): 48.95K / 28.53K

MOS options summary

The MOS options chain for the January 21, 2028 expiration lists 17 call and 16 put contracts, with 468 days until expiration. Open interest stands at 48,947 calls and 28,528 puts, a put/call ratio of 0.58, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $17.50 strike is 50.7%, which implies the market expects a move of about ±$10.76 (57.4%) in Mosaic stock by expiration.

The most open interest sits at the $25.00 call (12.79K contracts) and the $30.00 put (10.02K contracts).

Summary generated from market data by MetaCap's automated system. Methodology

MOS options chain · January 21, 2028

MOS calls and puts by strike price. Shaded cells are in the money.
Calls							Puts
OI	Vol	IV	Last	Bid	Ask	Strike	Bid	Ask	Last	IV	Vol	OI
211	2	57.2%	9.30	8.80	10.20	10.00	0.30	0.80	0.40	51.2%	25	63
890	8	51.5%	7.40	5.70	7.50	12.50	0.85	1.10	1.05	48.4%	10	911
1,265	42	52.8%	5.86	5.60	6.10	15.00	1.65	2.40	2.00	53.4%	111	1,684
542	5	53.3%	5.50	4.30	5.60	17.50	2.80	3.30	3.11	48.1%	91	3,886
MOS $18.74
1,157	33	53.4%	3.70	2.30	4.00	20.00	4.20	4.70	4.56	46.7%	9	7,074
3,242	24	51.8%	2.98	2.75	3.10	22.50	5.70	6.60	5.07	48.7%	1	2,283
12,795	40	50.6%	2.40	2.00	2.40	25.00	7.60	8.50	8.00	48.8%	10	1,456
933	37	52.3%	1.90	1.65	2.05	27.50	9.40	10.30	8.36	45.8%	3	467
7,353	152	50.7%	1.58	1.40	1.70	30.00	11.70	13.40	12.00	58.5%	30	10,023
3,127	50	50.4%	1.25	1.00	1.45	32.50	12.10	14.80	11.25	47.6%	3	574
2,865	5	51.0%	1.05	1.00	1.05	35.00	14.60	17.00	16.50	46.2%	3	33
1,120	1	50.8%	0.98	0.65	1.00	37.50	0.00	0.00	10.70	—	1	0
6,820	113	50.8%	0.75	0.55	0.80	40.00	19.80	22.50	17.50	60.8%	5	15
243	10	54.0%	0.58	0.00	0.70	42.50	18.10	19.80	21.40	—	—	5
986	4	53.7%	0.66	0.50	0.65	45.00	24.00	29.00	20.64	87.2%	5	11
792	10	50.1%	0.45	0.15	0.55	47.50	—	—	—	—	—	—
4,606	17	54.2%	0.40	0.40	0.45	50.00	25.40	26.80	28.66	—	5	43

In-the-money callsIn-the-money puts. IV = implied volatility, OI = open interest (contracts). Each contract covers 100 shares. Quotes delayed at least 15 minutes.

Frequently asked questions

What is the MOS put/call ratio?

For the January 21, 2028 expiration, the MOS put/call ratio based on open interest is 0.58 (28,528 puts vs 48,947 calls), and 0.56 based on today's volume. A ratio above 1 means more puts than calls.

What is MOS's implied volatility?

At-the-money implied volatility for MOS options expiring January 21, 2028 is about 50.7%, an annualized estimate of how much the market expects Mosaic stock to move.

How many MOS option expiration dates are there?

MOS has 13 listed expiration dates, from Oct 16, 2026 to Jan 19, 2029.

What does "in the money" mean?

A call is in the money when the strike price is below the current share price; a put is in the money when the strike is above it. In-the-money contracts have intrinsic value and are shaded in the table.