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)2.206.8-8.331.200.84-18.9241.40-6.319.2176.09-0.2823.411.26-16.47-11.55106.23-0.7322.33
24Q2 (19)2.061.98-15.921.19-2.46-24.244.19-1.7118.9876.302.2731.4613.48-3.0218.98107.011.2727.62
24Q1 (18)2.02-7.34-12.171.22-8.96-23.7544.967.7113.5174.6110.1431.0813.90-3.0716.03105.6711.0724.99
23Q4 (17)2.18-9.17-3.111.34-9.46-8.8441.7410.13.0467.749.869.4314.3412.6553.2195.149.562.25
23Q3 (16)2.40-2.048.61.48-5.738.8237.912.07-8.0361.666.24-7.6912.7312.3632.4786.843.57-11.76
23Q2 (15)2.456.526.061.57-1.88-3.0937.14-6.24-5.6658.041.973.1611.33-5.435.283.85-0.82-1.18
23Q1 (14)2.302.22-0.431.608.84-17.5339.61-2.220.3856.92-8.0521.3111.9827.993.3684.54-9.1513.04
22Q4 (13)2.251.81-3.851.478.09-24.2340.51-1.724.2561.90-7.3432.249.36-2.6-20.3493.05-5.4525.86
22Q3 (12)2.21-4.33-5.151.36-16.05-7.4841.224.75.4566.8018.737.69.61-10.77-14.5898.4115.989.44
22Q2 (11)2.310.01.321.62-16.4910.9639.37-0.23-1.1856.2619.91-9.7710.77-7.08-4.4484.8513.45-6.69
22Q1 (10)2.31-1.28-9.061.940.0-5.3739.461.5410.0746.920.235.8211.59-1.3611.5574.791.167.15
21Q4 (9)2.340.43-4.881.9431.974.338.86-0.595.046.81-24.6-4.1211.754.446.8273.93-17.78-1.2
21Q3 (8)2.332.190.01.470.68-7.5539.09-1.880.162.08-0.438.6611.25-0.18-11.0789.92-1.117.65
21Q2 (7)2.28-10.24-1.721.46-28.78-12.0539.8411.131.7462.3540.6213.9411.278.47-12.5790.9330.2712.27
21Q1 (6)2.543.259.482.0510.2225.7735.85-3.13-8.6644.34-9.18-20.5910.39-5.55-17.5469.80-6.72-15.37
20Q4 (5)2.465.580.01.8616.9811.3837.01-5.220.1448.82-14.55-10.5411.00-13.04-7.6474.83-10.42-6.02
20Q3 (4)2.330.430.01.59-4.220.039.05-0.280.057.134.40.012.65-1.860.083.533.140.0
20Q2 (3)2.320.00.01.661.840.039.16-0.230.054.72-2.010.012.892.30.080.99-1.810.0
20Q1 (2)2.32-5.690.01.63-2.40.039.256.20.055.842.330.012.605.790.082.483.590.0
19Q4 (1)2.460.00.01.670.00.036.960.00.054.570.00.011.910.00.079.620.00.0
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)8.66-3.245.51-20.8342.163.4166.2926.4411.982.3996.4618.36
2022 (9)8.95-2.196.96-11.4540.772.2652.4312.9211.700.081.509.25
2021 (8)9.151.677.8620.5539.87-1.746.43-17.0911.70-3.1574.60-11.7
2020 (7)9.00-2.76.52-6.1940.562.7456.006.7112.08-7.1584.486.99
2019 (6)9.25-1.496.952.2139.481.5452.48-2.2413.01-4.2778.96-0.03
2018 (5)9.396.226.808.2838.88-5.8653.68-7.5813.59-5.8978.98-7.03
2017 (4)8.84-5.666.280.3241.306.0158.08-0.3414.4417.1184.950.05
2016 (3)9.376.726.2612.5938.96-6.2358.28-11.2312.3312.0984.91-11.74
2015 (2)8.78-8.165.56-27.741.558.8665.6538.3311.0018.1596.2026.03
2014 (1)9.565.177.6915.6438.17-4.9647.46-13.589.31-10.8276.33-9.82

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