玩股撇步(動畫小學堂)  

  • 收帳和銷貨天數如果一直上升, 就要當心了!
  • 存貨在不同時期有不同的意義, 像是滯銷, 或是因為報價回升而屯貨, 或是積極備料, 這都需要去看存貨細項和判斷當時的情況來分辨
  • 當存貨增加時, 還需要注意增加的是不是商品或製成品. 如果是在製品或原物料, 反而有可能是供給不順沒法變製成品又或者是需求旺盛(短期營收趨勢向上)
  • 處在景氣下行的公司當存貨細項-原料和在製品的回升可能代表訂單開始回溫了
  • 當記憶體模組廠, 像是威剛、十銓存貨增加時, 有可能是在增加低價庫存, 代表著景氣循環來到相對低點, 也許就是建立部位的好時機
  • 當存貨提列減損損失,虧損認列在該年度,但是存貨價格回升後,之後年度也會直接回沖增加EPS,這種情況很容易在記憶體模組廠見到
  • 存貨一直增加,但是存貨銷售比沒什麼改變,可以推測是公司因為銷售良好而準備的存貨
  • 當淨營業週期(日)接近於0, 代表公司好像在做無本生意
平均收帳天數和平均銷貨天數-近20季
存貨銷售比
近3年股價
應收帳款周轉率 QoQ YoY存貨周轉率 QoQ YoY平均收帳天數 QoQ YoY平圴銷貨天數 QoQ YoY應付帳款付現天數 QoQ YoY淨營業週期(日) QoQ YoY
24Q3 (20)1.68-22.58-25.990.720.022.0354.2529.0735.46126.50-0.43-18.6658.6443.8-11.26122.12-4.8-5.69
24Q2 (19)2.17-10.7-3.130.727.4616.1342.0312.143.29127.04-6.53-14.0840.78-14.36-22.78128.281.99-5.49
24Q1 (18)2.4319.778.680.67-22.0928.8537.48-16.34-43.84135.9229.13-22.5547.62-5.29-20.67125.7826.06-30.97
23Q4 (17)2.03-10.5746.040.8645.7617.8144.8011.86-31.33105.26-32.32-15.050.28-23.91-35.2399.78-22.94-10.47
23Q3 (16)2.271.3466.910.59-4.84-45.3740.05-1.57-40.19155.525.1984.4866.0825.13-18.75129.49-4.685.2
23Q2 (15)2.2464.7164.710.6219.23-47.940.69-39.03-39.16147.85-15.7593.652.81-12.03-21.44135.73-25.5178.52
23Q1 (14)1.36-2.1624.770.52-28.77-35.866.742.3-20.02175.5041.7256.3960.03-22.67-47.22182.2163.49122.4
22Q4 (13)1.392.21-4.140.73-32.41-63.565.24-2.573.69123.8446.9172.7277.63-4.5579.87111.4559.471.01
22Q3 (12)1.360.0-4.91.08-9.2425.5866.960.125.4784.3010.38-20.2281.3320.9929.7569.92-8.04-34.34
22Q2 (11)1.3624.773.031.1946.9158.6766.88-19.86-2.8876.37-31.95-37.3867.22-40.915.3276.03-7.2-42.62
22Q1 (10)1.09-24.832.830.81-59.5-6.983.4532.63-2.87112.22147.137.09113.74163.5343.9781.9325.72-26.65
21Q4 (9)1.451.4-5.232.00132.5630.7262.92-0.95.5245.41-57.03-23.4543.16-31.143.6865.17-38.8-15.71
21Q3 (8)1.438.33-33.180.8614.67-34.3563.49-7.849.0105.67-13.3552.4262.687.53198.19106.48-19.6417.11
21Q2 (7)1.3224.53-16.460.75-13.79141.9468.86-19.8619.51121.9516.38-59.1158.29-26.22-57.39132.5118.63-39.51
21Q1 (6)1.06-30.7217.780.87-43.1481.2585.9244.09-14.75104.7976.65-44.6379.0089.77-49.13111.7044.46-17.1
20Q4 (5)1.53-28.5-12.071.5316.79-3.7759.6339.9413.9959.32-14.443.7141.6398.050.3677.32-14.9613.67
20Q3 (4)2.1435.440.01.31322.580.042.61-26.050.069.33-76.750.021.02-84.630.090.92-58.50.0
20Q2 (3)1.5875.560.00.31-35.420.057.62-42.830.0298.2457.590.0136.79-11.920.0219.0762.590.0
20Q1 (2)0.90-48.280.00.48-69.810.0100.7992.680.0189.25230.860.0155.30274.40.0134.7498.090.0
19Q4 (1)1.740.00.01.590.00.052.310.00.057.200.00.041.480.00.068.020.00.0
平均收帳天數和平均銷貨天數-近10年
應收帳款周轉率 YoY存貨周轉率 YoY平均收帳天數 YoY平圴銷貨天數 YoY應付帳款付現天數 YoY淨營業週期(日) YoY
2023 (10)6.8242.082.62-24.553.55-29.55139.4732.4958.25-26.34134.7731.87
2022 (9)4.8021.523.47-23.2376.01-17.77105.2730.2779.08-14.07102.2025.83
2021 (8)3.95-7.064.52-21.6692.447.7480.8127.8292.0335.7681.22-0.01
2020 (7)4.25-6.185.7732.0485.806.3963.22-24.3167.79-4.981.23-12.56
2019 (6)4.53-2.794.373.0780.652.983.53-2.9671.2848.592.90-20.23
2018 (5)4.66-0.434.24-5.9978.380.4486.086.3648.0021.83116.46-2.6
2017 (4)4.6813.874.51-17.5578.04-12.0380.9321.2139.4024.29119.57-3.4
2016 (3)4.11-25.05.47-13.3188.7133.266.7715.3431.70-34.65123.7862.91
2015 (2)5.48-18.696.3158.5466.6022.9257.89-36.8248.51-43.275.9825.79
2014 (1)6.741.663.98-2.2154.18-1.6391.622.0585.4075.6560.40-37.24

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