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
24Q4 (20)1.7161.32113.751.51-31.053.4253.20-38.28-53.2760.3444.94-3.2770.1819.4327.2143.36-37.23-64.18
24Q3 (19)1.063.9211.582.19-6.8161.0386.20-3.15-9.8941.637.54-37.9158.7617.85-7.9669.08-11.27-30.13
24Q2 (18)1.0220.0-11.32.3529.1253.5989.00-16.5311.9938.71-22.72-34.8849.862.95-16.1277.85-28.11-2.04
24Q1 (17)0.856.25-36.571.8224.6614.47106.63-6.3456.9750.09-19.7-12.6948.43-12.224.87108.29-10.5436.87
23Q4 (16)0.80-15.799.591.467.3571.76113.8519.02-9.0962.38-6.96-41.855.17-13.58-21.7121.0522.43-25.25
23Q3 (15)0.95-17.3921.791.36-11.1112.495.6620.37-17.6967.0512.8-11.263.847.4-11.2798.8724.41-17.46
23Q2 (14)1.15-14.1835.291.53-3.779.2979.4716.99-25.3959.443.61-8.8359.4428.71-23.4979.470.44-15.48
23Q1 (13)1.3483.563.081.5987.06-10.6767.93-45.76-2.7957.37-46.4812.5146.18-34.46-16.479.12-51.1520.55
22Q4 (12)0.73-6.41-27.00.85-29.75-29.17125.237.7538.27107.1941.9541.7570.46-2.0724.31161.9535.2147.9
22Q3 (11)0.78-8.24-12.361.21-13.5727.37116.229.1113.4175.5115.81-20.9271.95-7.39-4.08119.7827.38-2.59
22Q2 (10)0.85-34.62-31.451.40-21.3514.75106.5252.4345.1265.2027.87-12.7377.6940.6424.9294.0343.279.44
22Q1 (9)1.3030.03.171.7848.3393.4869.88-22.84-3.0550.99-32.57-48.2755.24-2.54-7.3265.63-40.06-40.9
21Q4 (8)1.0012.3614.941.2026.3276.4790.57-11.62-13.7175.62-20.81-43.8856.68-24.44-28.19109.50-10.95-31.89
21Q3 (7)0.89-28.23-13.590.95-22.1310.47102.4839.6216.1195.4927.81-9.5775.0120.615.45122.9643.110.2
21Q2 (6)1.24-1.5913.761.2232.6145.2473.401.83-11.9174.71-24.21-31.2162.194.35-14.2185.92-22.62-28.06
21Q1 (5)1.2644.8324.750.9235.2929.5872.08-31.33-20.3498.57-26.84-23.259.60-24.49-20.17111.04-30.93-22.98
20Q4 (4)0.87-15.530.00.68-20.930.0104.9618.920.0134.7427.610.078.9310.970.0160.7731.010.0
20Q3 (3)1.03-5.50.00.862.380.088.265.930.0105.59-2.770.071.13-1.880.0122.722.750.0
20Q2 (2)1.097.920.00.8418.310.083.32-7.910.0108.60-15.380.072.49-2.910.0119.43-17.160.0
20Q1 (1)1.010.00.00.710.00.090.480.00.0128.340.00.074.660.00.0144.170.00.0
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
2024 (10)5.5827.47.9045.7665.36-21.5346.23-31.3440.17-12.7571.43-31.69
2023 (9)4.38-13.15.428.6283.2914.967.33-7.9146.04-20.19104.5718.95
2022 (8)5.04-9.684.993.3172.4910.9173.11-3.257.6913.587.91-2.39
2021 (7)5.589.24.8348.1665.36-8.5975.53-32.4950.83-8.5190.06-29.54
2020 (6)5.11-0.583.26-4.471.500.75111.884.5255.561.94127.813.49
2019 (5)5.149.363.41-7.5970.97-8.6107.048.2154.50-2.03123.502.12
2018 (4)4.70-0.213.69-7.2977.650.1998.927.8455.635.98120.943.6
2017 (3)4.71-10.963.98-3.1677.5012.3491.733.2852.49-0.89116.7411.34
2016 (2)5.292.724.114.5868.99-2.6488.82-4.3852.96-15.43104.853.68
2015 (1)5.15-11.213.93-4.1570.8612.5392.894.4362.6214.42101.134.05

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